2022-10-26 | Which of the following is an example of S_N 2 reaction?
(a) CH_3Br+OH^-⟶CH_3OH+Br^-
(b)
(c) CH_3C... | 7:41 | 8 | | Counter-Strike: Source
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2022-10-26 | Which of the following is a primary halide?
(a) Isopropyl iodide
(b) Secondary butyl iodide
(c) T... | 8:28 | 38 | | Counter-Strike: Source
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2022-10-26 | Silver acetate +Br_2CS_2⟶. The main product of this reaction is
(a) CH_3-Br
(b) CH_3COI
(c) CH_3C... | 4:29 | 2 | | Counter-Strike: Source
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2022-10-26 | C-X bond is strongest in
(a) CH_3Cl
(b) CH_3Br
(c) CH_3 F
(d) CH_3I | 5:33 | 4 | | Counter-Strike: Source
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2022-10-26 | IUPAC name of (CH_3)_3CCl
(a) 3-Chlorobutane
(b) 2-Chloro-2-methylpropane
(c) t-butyl chloride
(d... | 3:24 | 5 | Let's Play | Counter-Strike: Source
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2022-10-26 | Directions : Each of these questions contain two statements, Assertion and Reason. Each of these ... | 3:19 | 4 | | Counter-Strike: Source
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2022-10-26 | Both [Ni(CO)_4] and [Ni(CN)_4]^2- are diamagnetic. The hybridisations of nickel in these complexe... | 3:04 | 2 | | Counter-Strike: Source
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2022-10-26 | Total number of electron count in Ni(CO)_4 and Fe(CO)_5 respectively are.
(a) 36, 36
(b) 34,36
(c... | 1:58 | 5 | | Counter-Strike: Source
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2022-10-26 | Coordination compounds have great importance in biological systems. In this context which of the ... | 3:29 | 3 | Vlog | Counter-Strike: Source
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2022-10-26 | A bidenate ligand always
(a) has bonds formed to two metals ions
(b) has a charge of +2 or -2
(c)... | 3:09 | 1 | | Counter-Strike: Source
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2022-10-26 | An ambident ligand is one which
(a) is linked to the metal atom through two donor atoms
(b) has t... | 2:17 | 1 | | Counter-Strike: Source
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2022-10-26 | When KMnO_4 solution is added to oxalic acid solution, the decolourisation is slow in the beginni... | 5:21 | 30 | | Counter-Strike: Source
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2022-10-26 | Directions : Each of these questions contain two statements, Assertion and Reason. Each of these ... | 1:05 | 14 | | Counter-Strike: Source
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2022-10-26 | Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids, t... | 1:31 | 3 | | Counter-Strike: Source
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2022-10-26 | The noble gas which was discovered first in the sun and then on the earth
(a) argon
(b) xenon
(c)... | 1:48 | 1 | | Counter-Strike: Source
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2022-10-26 | Which of the following is used in the preparation of chlorine?
(a) Only MnO_2
(b) Only KMnO_4
(c)... | 2:07 | 3 | | Counter-Strike: Source
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2022-10-26 | Cl_2 reactsith hot and conc. NaOH to give -
(a) NaClO
(b) NaClO_3
(c) NaClO_2
(d) NaClO_4 | 1:58 | 4 | | Counter-Strike: Source
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2022-10-26 | Hot conc. H_2SO_4 acts as moderately strong oxidising agent. It oxidises both metals and nonmetal... | 2:38 | 1 | | Counter-Strike: Source
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2022-10-26 | Which one of the following reactsith conc. H_2SO_4 ?
(a) Au
(b) Ag
(c) Pt
(d) Pb | 1:28 | 1 | | Counter-Strike: Source
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2022-10-26 | Carbohydrates on reaction with conc. H_2SO_4 becomes charred due to
(a) hydrolysis
(b) dehydratio... | 1:20 | 2 | | Counter-Strike: Source
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2022-10-26 | One mole of calcium phosphide on reaction with excess water gives
(a) one mole of phosphine
(b) t... | 1:22 | 14 | | Counter-Strike: Source
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2022-10-26 | Which one of the following, statements is incorrect about enzyme catalysis?
(a) Enzymes are mostl... | 5:33 | 20 | | Counter-Strike: Source
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2022-10-26 | Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at 25^∘C. For this p... | 8:38 | 15 | | Counter-Strike: Source
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2022-10-26 | Directions : Each of these questions contains two statements, Assertion and Reason. Each of these... | 7:11 | 0 | | Counter-Strike: Source
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2022-10-26 | Which one of the following is not applicable to the phenomenon of adsorption?
(a) ΔH0
(b) ΔG0
(c)... | 6:22 | 14 | | Counter-Strike: Source
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2022-10-26 | Read the following statements regarding enzyme catalysis
(i) Enzyme catalysis is highly specific ... | 16:03 | 1 | | Counter-Strike: Source
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2022-10-26 | Read the following statements
(i) Tyndall effect is used to distinguish between a colloidal and t... | 12:50 | 0 | | Counter-Strike: Source
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2022-10-26 | Read the following statements related to chemisorption
(i) It is highly specific.
(ii) It increas... | 6:30 | 2 | | Counter-Strike: Source
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2022-10-26 | A colloid always :
(a) Contains two phases
(b) Is a true solution
(c) Contains three phases
(d) C... | 2:59 | 0 | | Counter-Strike: Source
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2022-10-26 | Consider the following reaction at 25^∘C :
(CH_3)_3COH(l)+HCl(a q) →(CH_3)_3CCl(l)+H_2O(l)
... | 3:22 | 0 | | Counter-Strike: Source
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2022-10-26 | What is order with respect to A, B, C, respectively
[A] [B] [C] rate(M / sec. )
[ ... | 10:09 | 3 | | Counter-Strike: Source
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2022-10-26 | The term -dc / dt in a rate equation refers to:
(a) the conc. of a reactant
(b) the decrease in c... | 1:59 | 2 | | Counter-Strike: Source
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2022-10-26 | The limiting molar conductivities of HCl, CH_3COONa and NaCl are respectively 425,90 and 125 mhoc... | 4:02 | 4 | | Counter-Strike: Source
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2022-10-26 | In a cell that utilises the reaction
Zn(s)+2 H^+(a q) →Zn^2+(a q)+H_2(g) addition of H_2SO_4 to c... | 4:23 | 1 | | Counter-Strike: Source
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2022-10-26 | What is the potential of half-cell consisting of zinc electrode in 0.01 MZnSO_4 solution at 25^∘C... | 2:59 | 19 | | Counter-Strike: Source
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2022-10-26 | For a cell reaction involving two electron change, the standard EMF of the cell is 0.295 V at 2^... | 2:30 | 0 | | Counter-Strike: Source
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2022-10-26 | Match the Column-I (functioning of Daniel cell) with Column-II (value of E_ext ) and choose the c... | 7:50 | 3 | | Counter-Strike: Source
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2022-10-26 | Which of the following statements regarding fuel cell is incorrect?
(a) These cells are eco-frien... | 3:42 | 13 | | Counter-Strike: Source
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2022-10-26 | Specific conductance of a 0.1 NKCl solution at 23^∘C is 0.012 ohm^-1 cm^-1. Resistance of cell c... | 2:58 | 0 | | Counter-Strike: Source
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2022-10-26 | E^∘ for the cell,
Zn|Zn^2+(aq)||Cu^2+(aq)| Cu is 1.10 V at 25^∘C. The equilibrium constant for t... | 3:17 | 23 | | Counter-Strike: Source
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2022-10-26 | E^∘ of a cell aA+bB⟶cC+dD is
(a) E+RTln[a]^A[b]^B/[c]^C[d]^D
(b) E+RT/nFln[C]^c[D]^d/[A]^a[B]^b
(... | 3:49 | 4 | | Counter-Strike: Source
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2022-10-26 | The e.m.f. of a Daniell cell at 298 K is E_1.
Zn|[ ZnSO_4; (0.01 M) ]||[ CuSO_4; (1.0 M) ]| C... | 4:07 | 1 | | Counter-Strike: Source
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2022-10-26 | The standard emf of a cell, involving one electron change is found to be 0.591 V at 25^∘C. The e... | 3:00 | 1 | | Counter-Strike: Source
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2022-10-26 | The standard e.m.f. of a galvanic cell involving cell reaction with n=2 is found to be 0.295 V a... | 2:33 | 2 | | Counter-Strike: Source
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2022-10-26 | The correct relationship between the boiling points of very dilute solutions of AlCl_3(t_1) and C... | 2:01 | 3 | | Counter-Strike: Source
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2022-10-26 | The rise in the boiling point of a solution containing 1.8 g of glucose in 100 g of solvent is ... | 2:21 | 14 | | Counter-Strike: Source
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2022-10-26 | Which of the following statement(s) is / are correct ?
(i) Sulphuric acid, nitric acid as well as... | 6:37 | 0 | Let's Play | Counter-Strike: Source
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2022-10-26 | The secondary precursors of photochemical smog are
(a) SO_2 and NO_2
(b) SO_2 and hydrocarbons
(c... | 4:52 | 7 | | Counter-Strike: Source
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2022-10-26 | Identify the alkyne in the following sequence of reactions. CH_2=CH_2
(a) H_3C-C≡C-CH_3
(b) H_3C-... | 4:53 | 0 | | Counter-Strike: Source
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2022-10-26 | Propyne can be prepared by dehydrohalogenation of
(a) 1-chloropropane
(b) 1,2-dichloropropane
(c)... | 5:00 | 3 | Vlog | Counter-Strike: Source
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2022-10-26 | Which is the most suitable reagent among the following to distinguish compound (3) from rest of t... | 4:52 | 1 | | Counter-Strike: Source
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2022-10-26 | For a first order reaction \( A \rightarrow P \), the temperature \( (T) \) dependent rate const... | 2:51 | 2 | | Counter-Strike: Source
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2022-10-26 | For a first order reaction \( A \rightarrow P \), the temperature \( (T) \) dependent rate const... | 2:51 | 2 | | Counter-Strike: Source
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2022-10-26 | Nitrogen monoxide, \( \mathrm{NO} \), reacts with hydrogen, \( \mathrm{H}_{2} \), according to t... | 2:57 | 3 | | Counter-Strike: Source
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2022-10-26 | Nitrogen monoxide, \( \mathrm{NO} \), reacts with hydrogen, \( \mathrm{H}_{2} \), according to t... | 2:57 | 3 | | Counter-Strike: Source
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2022-10-26 | Which of the following sequence of \( \mathrm{T} \) and \( \mathrm{F} \) is correct for given st... | 6:32 | 4 | | Counter-Strike: Source
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2022-10-26 | Which of the following sequence of \( \mathrm{T} \) and \( \mathrm{F} \) is correct for given st... | 6:32 | 1 | | Counter-Strike: Source
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2022-10-26 | Match the columns
Column-I Column-II
(A) CH≡CH+H_2 (p) Zn
(B) CH_3CH_2Br⟶ (q) Conc. H_2SO_4
CH_2=... | 6:42 | 4 | | Counter-Strike: Source
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2022-10-26 | Which one of the following cannot be prepared by Wurtz reaction?
(a) CH_4
(b) C_2H_6
(c) C_3H_8
(... | 4:13 | 9 | | Counter-Strike: Source
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2022-10-26 | Which of the following does not belong to the same homologous series?
(a) CH_4
(b) C_2H_6
(c) C_3... | 2:56 | 46 | Vlog | Counter-Strike: Source
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2022-10-26 | During hearing of a court case, the judge suspected that some changes in the documents had been c... | 7:01 | 5 | | Counter-Strike: Source
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2022-10-26 | Which of the following is least reactive in a nucleophilic substitution reaction.
(a) (CH_3)_3C-C... | 4:02 | 109 | | Counter-Strike: Source
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2022-10-26 | Which of the following compounds will show metamerism?
(a) CH_3-CO-C_2H_5
(b) C_2H_5-S-C_2H_5
(c)... | 4:48 | 109 | Show | Counter-Strike: Source
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2022-10-26 | The IUPAC name of the compound is
(a) 3,3-dimethyl - 1- cyclohexanol
(b) 1,1-dimethyl-3-hydroxy c... | 5:51 | 38 | | Counter-Strike: Source
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2022-10-26 | Which of the following numberings is correct?
A.
B.
C.
D.
(a) A
(b) B
(c) C
(d) D | 3:26 | 1 | | Counter-Strike: Source
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2022-10-26 | Directions : Each of these questions contain two statements, Assertion and Reason. Each of these ... | 6:25 | 0 | | Counter-Strike: Source
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2022-10-26 | Match the columns
(B) CH_3CH_2CH_2OH
(q) Chain isomerism
(C)
(r) Metamerism
(D) CH_3OC_3H_7&C_2H_... | 7:16 | 2 | | Counter-Strike: Source
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2022-10-26 | Column-II give formula for compounds given in Column-I, match them correctly.
[ Column-I C... | 5:45 | 4 | | Counter-Strike: Source
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2022-10-26 | Which of the following sequence of T and F is correct. Here T stands for true statement and F sta... | 4:06 | 1 | | Counter-Strike: Source
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2022-10-26 | 2.79 g of an organic compound when heated in Carius tube with conc. HNO_3 and H_3PO_4 formed con... | 6:57 | 11 | | Counter-Strike: Source
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2022-10-26 | In estimation of percentage of oxygen. The mixture of gaseous products containing oxygen is passe... | 4:04 | 6 | | Counter-Strike: Source
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2022-10-26 | Which of the following is used for detection of carbon and hydrogen?
(a) Ca(OH)_2
(b) CuO
(c) CaC... | 3:02 | 12 | | Counter-Strike: Source
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2022-10-26 | Electromeric effect is a
(a) permanent effect
(b) temporary effect
(c) resonance effect
(d) induc... | 2:44 | 129 | | Counter-Strike: Source
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2022-10-26 | The catenation tendency of C, Si and Ge is in the order GeSiC. The bond energies (in kJmol^-1 ) o... | 3:02 | 3 | | Counter-Strike: Source
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2022-10-26 | The product/s formed when diborane is hydrolysed is/are
(a) B_2O_3 and H_3BO_3
(b) B_2O_3 only
(c... | 0:44 | 0 | | Counter-Strike: Source
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2022-10-26 | Beryllium shows diagonal relationship with aluminium. Which of the following similarity is incorr... | 1:30 | 13 | Show | Counter-Strike: Source
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2022-10-26 | Baking powder contains:
(a) NaHCO_3, Ca(H_2PO_2)_2 and starch
(b) NaHCO_3, Ca(H_2PO_2)_2
(c) NaHC... | 1:23 | 2 | | Counter-Strike: Source
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2022-10-26 | The alkali metals dissolve in liquid ammonia giving deep blue solution. The solution is x/.. In c... | 3:01 | 9 | | Counter-Strike: Source
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2022-10-26 | Match the Column-I with Column-II and mark the appropriate choice.
(a) (A)-(p),(B)-(q),(C)-(r),(D... | 1:29 | 1 | | Counter-Strike: Source
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2022-10-26 | Match the columns
(C) Oxidising nature
(D) Reducing nature
(s) H_2O(l)+H_2 S(aq) H_3O^+(aq)+HS^-(... | 2:14 | 3 | | Counter-Strike: Source
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2022-10-26 | Match the columns
(a) A-(r), B-(s), C-(q)
(b) A-(q), B-(r), C-(s)
(c) A-(r), B-(q), C-(p)
(d) A-(... | 1:19 | 1 | | Counter-Strike: Source
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2022-10-26 | Complete the following reaction.
Al_4C_3+D_2O→ x+y
(a) x=C_2D_2 and y=Al(OD)_3
(b) x=CD_4 a... | 3:20 | 3 | | Counter-Strike: Source
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2022-10-26 | What is formed when calcium carbide reacts with heavy water?
(a) C_2D_2
(b) CaD_2
(c) Ca_2D_2O
(d... | 2:02 | 7 | | Counter-Strike: Source
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2022-10-26 | In lab H_2O_2 is prepared by
(a) Cold_2SO_4+BaO_2
(b) HCl+BaO_2
(c) Conc. H_2SO_4+Na_2O_2
(d) H_2... | 6:42 | 1 | | Counter-Strike: Source
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2022-10-26 | Elements of which of the following group do not form hydrides?
(a) Alkali metals
(b) Halogens
(c)... | 2:03 | 0 | Vlog | Counter-Strike: Source
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2022-10-26 | Which one of the following pairs of substances will not produce hydrogen when reacted together?
(... | 2:06 | 4 | | Counter-Strike: Source
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2022-10-26 | What is the oxidation number of elements in the free or in the uncombined state ?
(a) +1
(b) 0
(c... | 3:00 | 13 | | Counter-Strike: Source
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2022-10-26 | Which reaction involves neither oxidation nor reduction?
(a) CrO_4^2-⟶Cr_2O_7^2-
(b) Cr⟶CrCl_3
(c... | 8:48 | 4 | | Counter-Strike: Source
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2022-10-26 | In A+B⇌C. The unit of equilibrium constant is :
(a) Litre mole -1
(b) Mole litre
(c) Mole litre ^-1 | 2:27 | 1 | | Counter-Strike: Source
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2022-10-26 | At N.T.P the volume of a gas is found to be 273 ml. What will be the volume of this gas at 600 m... | 4:46 | 30 | | Counter-Strike: Source
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2022-10-26 | Correct gas equation is
(a) V_1 T_2/P_1=V_2 T_1/P_2
(b) P_1 V_1/P_2 V_2=T_1/T_2
(c) P_1 T_2/V_1=P... | 3:33 | 2 | | Counter-Strike: Source
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2022-10-26 | 4.4 g of a gas at STP occupies a volume of 2.24 L, the gas can be
(a) O_2
(b) CO
(c) NO_2
(d) C... | 3:42 | 117 | | Counter-Strike: Source
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2022-10-26 | An ideal gas will have maximum density when
(a) P=0.5 atm, T=600 K
(b) P=2 atm, T=150 K
(c)... | 4:44 | 16 | | Counter-Strike: Source
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2022-10-26 | 600 c.c. of a gas at a pressure of 750 mm of Hg is compressed to 500 c.c. Taking the temperature... | 4:14 | 25 | | Counter-Strike: Source
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2022-10-26 | Match the columns
(a) A-(p), B-(q), C-(r)
(b) A- (q) , B-(r), C-(p)
(c) A-(r), B-(q), C-(p)
(d) A... | 2:48 | 1 | | Counter-Strike: Source
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2022-10-26 | The most polar bond is
(a) C-F
(b) C-O
(c) C-Br
(d) C-S | 2:07 | 9 | | Counter-Strike: Source
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2022-10-26 | One litre oxygen gas at S.T.Pill weigh :
(a) 1.43 g
(b) 2.24 g
(c) 11.2 g
(d) 22.4 g | 1:37 | 7 | | Counter-Strike: Source
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2022-10-26 | Consider the following statements.
I. Earlier, insulin was extracted from pancreas of slaughtered... | 5:47 | 5 | | Counter-Strike: Source
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2022-10-26 | Somatic hybrids are produced by the fusion of
(a) protoplasts of two cells
(b) cytoplasm of two c... | 4:10 | 6 | | Counter-Strike: Source
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2022-10-26 | In each of the following questions, a statement of Assertion (A) is given followed by correspondi... | 4:03 | 1 | | Counter-Strike: Source
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