| 2024-10-07 | Define fuel cell with an example. What advantages do the fuel cells have over primary and second.... | 0:00 | 5 | |
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| 2024-10-07 | Compound \\(\\mathrm{A}\\) undergoes Rosenmund reduction to give compound \\(\\mathrm{B}\\) with.... | 0:00 | 11 | |
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| 2024-10-07 | The order of the reaction\n\\(H _2( g )+ Cl _2( g ) \\xrightarrow{ h \\nu} 2 HCl ( g )\\) is :.... | 0:00 | 5 | |
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| 2024-10-07 | If the standard electrode potential of an electrode is greater than zero, then we can infer that.... | 0:00 | 6 | |
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| 2024-10-07 | Out of and , which one is optically active and why ?.... | 0:00 | 3 | |
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| 2024-10-07 | Complete the following reactions:\n\\(\\left(\\mathrm{C}_6 \\mathrm{H}_5 \\mathrm{CH}_2\\right)_.... | 0:00 | 3 | |
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| 2024-10-07 | Which of the following structures represents \\(\\alpha\\)-D-glucose?.... | 0:00 | 1 | |
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| 2024-10-07 | Write the chemical equation for the following :\nReaction between Ethyl bromide and \\(\\mathrm{.... | 0:00 | 4 | |
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| 2024-10-07 | Low concentration of oxygen in the blood and tissues of people living at high altitude is due to.... | 0:00 | 1 | |
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| 2024-10-07 | Which of the following terms is correct about enzymes? .... | 0:00 | 3 | |
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| 2024-10-07 | If the area of the region bounded by the curve \\(y^2=4 \\mathrm{ax}\\) and the line \\(\\mathrm.... | 0:00 | 2 | |
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| 2024-10-07 | Unit of rate constant for the zero order reaction is : .... | 0:00 | 4 | |
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| 2024-10-07 | In the figure given below, find the\n(a) equivalent capacitance of the network between points A .... | 0:00 | 10 | |
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| 2024-10-07 | Deficiency of which of the following vitamins causes Pernicious anaemia?.... | 0:00 | 7 | |
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| 2024-10-07 | Write the name and principle of the method used for refining of \nZinc.... | 0:00 | 17 | |
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| 2024-10-07 | What is the basic structural difference between starch and cellulose?.... | 0:00 | 28 | |
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| 2024-10-07 | Why on dilution the \\(\\wedge_{\\mathrm{m}}\\) of \\(\\mathrm{CH}_3 \\mathrm{COOH}\\) increases.... | 0:00 | 3 | |
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| 2024-10-07 | The most common and stable oxidation state of a Lanthanoid is : .... | 0:00 | 8 | |
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| 2024-10-07 | Two concentric circular loops of radius \\(1 \\mathrm{~cm}\\) and \\(20 \\mathrm{~cm}\\) a.... | 0:00 | 3 | |
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| 2024-10-07 | A solution containing \\(1.9 \\mathrm{~g}\\) per \\(100 \\mathrm{~mL}\\) of \\(\\mathrm{KCl}\\le.... | 0:00 | 21 | |
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| 2024-10-07 | Write the major products in the following :\n.... | 0:00 | 6 | |
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| 2024-10-07 | Why dextro and laevo - rotatory isomers of Butan-2-ol are difficult to separate by fractional di.... | 0:00 | 10 | |
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| 2024-10-07 | Answer the following questions on the basis of the figure given below :\n\nWhy do metals of the .... | 0:00 | 4 | |
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| 2024-10-07 | If \\(x \\sqrt{1+y}+y \\sqrt{1+x}=0\\) and \\(x \\neq y\\), prove that \\(\\frac{d y}{d x}=-\\fr.... | 0:00 | 47 | |
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| 2024-10-07 | Why the use of alitame as artificial sweetener is not recommended ?.... | 0:00 | 9 | |
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| 2024-10-07 | Find:\\[\\int \\frac{d x}{1+\\cot x}\\].... | 0:00 | 4 | |
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| 2024-10-07 | Arrange the following in order of property indicated for each set :\\(\\mathrm{HF}, \\mathrm{HCl.... | 0:00 | 2 | |
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| 2024-10-07 | Write the final products in the following :\n.... | 0:00 | 3 | |
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| 2024-10-07 | The compounds \\(\\left[ Co \\left( SO _4\\right)\\left( NH _3\\right)_5\\right] Br\\) and \\(\\.... | 0:00 | 2 | |
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| 2024-10-07 | \\(\\left[ Co \\left( NH _3\\right)_5 NO _3\\right] SO _4\\) and \\(\\left[ Co \\left( NH _3\\ri.... | 0:00 | 5 | |
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| 2024-10-07 | Which of the following ligands is an ambidentate ligand ?.... | 0:00 | 7 | |
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| 2024-10-07 | (a) Find the particular solution of the differential equation \\(x \\frac{ dy }{ dx }+ y +\\frac.... | 0:00 | 3 | |
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| 2024-10-07 | Draw the zwitter ion structure for sulphanilic acid. .... | 0:00 | 5 | |
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| 2024-10-07 | If \\((\\cos x)^y=(\\sin y)^x\\), find \\(\\frac{d y}{d x}\\)..... | 0:00 | 91 | |
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| 2024-10-07 | Write the name and principle of the method used for refining of \nGermanium .... | 0:00 | 12 | |
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| 2024-10-07 | Complete the following reactions:\n.... | 0:00 | 11 | |
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| 2024-10-07 | Define the following terms with a suitable example in each :Cationic detergents.... | 0:00 | 6 | |
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| 2024-10-07 | What is the wavelength of a photon of energy 3.3×10-19 J?.... | 0:00 | 0 | |
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| 2024-10-07 | The elements of 3d transition series are given as :Sc Ti V Cr Mn Fe Co Ni Cu Zn\nAnswer the foll.... | 0:00 | 5 | |
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| 2024-10-07 | The IUPAC name for the formula\n.... | 0:00 | 4 | |
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| 2024-10-07 | Predict the reagent for carrying out the following transformations :(Any two)(i) Benzoyl chlorid.... | 0:00 | 6 | |
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| 2024-10-07 | Differentiate between the following :Amylose and Amylopectin.... | 0:00 | 3 | |
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| 2024-10-07 | What is the difference between an Ambidentate ligand and a Bidentate ligand?.... | 0:00 | 14 | |
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| 2024-10-07 | In a lead storage battery:.... | 0:00 | 6 | |
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| 2024-10-07 | Out of \\(\\mathrm{KCl}\\) and \\(\\mathrm{AgCl}\\), which one shows Schottky defect and w.... | 0:00 | 3 | |
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| 2024-10-07 | Using IUPAC norms, write the formulae for the following complexes :\nSodium trioxalatoferrate(II.... | 0:00 | 16 | |
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| 2024-10-07 | From a lot of 30 bulbs which include 6 defective bulbs, a sample of 2 bulbs is drawn at random o.... | 0:00 | 10 | |
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| 2024-10-07 | Find the value of van't Hoff factor for acetic acid in benzene as per the given equation :\\(2 \.... | 0:00 | 5 | |
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| 2024-10-07 | Write the IUPAC name of the following complex :\\[\\left[\\mathrm{Co}\\left(\\mathrm{NH}_3\\righ.... | 0:00 | 8 | |
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| 2024-10-07 | Answer the following questions on the basis of the figure given below :\nWhy are enthalpies of a.... | 0:00 | 6 | |
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| 2024-10-07 | Show that \\(|\\vec{a}| \\vec{b}+|\\vec{b}| \\vec{a}\\) is perpendicular to \\(|\\vec{a}| \\vec{.... | 0:00 | 4 | |
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| 2024-10-07 | Out of \\(\\left[\\mathrm{Fe}\\left(\\mathrm{NH}_3\\right)_6\\right]^{3+}\\) and \\(\\left[\\mat.... | 0:00 | 4 | |
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| 2024-10-07 | Give reasons :\n Cooking is faster in pressure cooker than in cooking pan..... | 0:00 | 19 | |
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| 2024-10-07 | Complete the following equations :\n(a) \\(\\quad 2 MnO _4^{-}+5 NO _2^{-}+6 H ^{+} \\longrighta.... | 0:00 | 3 | |
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| 2024-10-07 | If \\(f(x)=\\frac{1-x}{1+x}\\), then find (fof) \\((x)\\)..... | 0:00 | 3 | |
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| 2024-10-07 | An Organic compound (A) with molecular formula \\(\\mathrm{C}_3 \\mathrm{H}_7 \\mathrm{NO}\\) on.... | 0:00 | 13 | |
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| 2024-10-07 | Answer the following questions on the basis of the figure given below :\n(i) Which element in 3d.... | 0:00 | 4 | |
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| 2024-10-07 | A cubical solid aluminium (bulk modulus =−VdPdV=70GPa
) block has an edge length of 1 m
on t.... | 0:00 | 51 | |
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| 2024-10-07 | Write the hybridisation and magnetic character of the following complexes :\\(\\left[\\mathrm{Co.... | 0:00 | 5 | |
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| 2024-10-07 | Write balanced chemical equations for the following processes :\\(\\mathrm{XeF}_2\\) undergoes h.... | 0:00 | 4 | |
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| 2024-10-07 | Pentan-2-one and Pentan-3-one can be distinguished by :.... | 0:00 | 5 | |
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| 2024-10-07 | Assertion (A) : Matrix \\(A=\\left[\\begin{array}{rrr}0 & -3 & 5 \\\\ 3 & 0 & -2.... | 0:00 | 3 | |
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| 2024-10-07 | Calculate the overall order of the reaction whose rate law expression was predicted as :\n .... | 0:00 | 6 | |
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| 2024-10-07 | The maximum kinetic energy of the photoelectrons emitted is doubled when the wavelength of light.... | 0:00 | 5 | |
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| 2024-10-07 | How will you carry out the following conversions : (Any two)Ethanoic acid to ethanamide.... | 0:00 | 4 | |
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| 2024-10-07 | If half-life period for a first order reaction in \\(A\\) is 2 minutes, how long will it take \\.... | 0:00 | 2 | |
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| 2024-10-07 | Let \\(\\vec{a}\\) and \\(\\vec{b}\\) be two unit vectors and \\(\\theta\\) is the angle between.... | 0:00 | 15 | |
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| 2024-10-07 | Evaluate :\n\\[\\int_1^3|2 x-1| d x\\].... | 0:00 | 3 | |
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| 2024-10-07 | The incorrect statement about interstitial compounds is:.... | 0:00 | 3 | |
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| 2024-10-07 | A composite prism ABC is made up of two identical right-angled prisms ABD and ADC made up of dif.... | 0:00 | 46 | |
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| 2024-10-07 | Solve the following system of equations by matrix method :\\[\\begin{aligned}& x+2 y+3 z=6 \.... | 0:00 | 4 | |
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| 2024-10-07 | Assertion (A): Bakelite is a thermosetting polymer.\nReason (R): On heating, polymeric chain bec.... | 0:00 | 4 | |
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| 2024-10-07 | Do the following conversions in not more than two steps :\n(a). \n(b). .... | 0:00 | 6 | |
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| 2024-10-07 | Give reasons for the following :\n\\(\\mathrm{E}^0\\) values for \\(\\left(\\mathrm{Zn}^{2+} / \.... | 0:00 | 18 | |
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| 2024-10-07 | (a) \\(\\xrightarrow{ PCl _5}{ }^{\\prime} A^{\\prime} \\xrightarrow{ AgCN }{ }^{\\prime} B ^{\.... | 0:00 | 4 | |
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| 2024-10-07 | Write the final products in the following :\n.... | 0:00 | 2 | |
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| 2024-10-07 | Assertion (A) : Copper is a non-transition element.Reason (R) : Copper has completely filled d-o.... | 0:00 | 3 | |
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| 2024-10-07 | Draw the structure of \\(2,4 \\mathrm{DNP}\\) derivative of acetaldehyde..... | 0:00 | 4 | |
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| 2024-10-07 | Classify the following polymers on the basis of molecular forces :(a) Vulcanized rubber(b) Teryl.... | 0:00 | 2 | |
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| 2024-10-07 | Why is the blue colour of copper sulphate solution slowly discharged when a rod of zinc is dippe.... | 0:00 | 6 | |
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| 2024-10-07 | {"english":"Find the distance of the point \\((-1,-5,-10)\\) from the point of intersection of t.... | 0:00 | 3 | |
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| 2024-10-07 | What is Henry's law? Give one application of it..... | 0:00 | 3 | |
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| 2024-10-07 | Write the structure of 1-chloro-4-ethylcyclohexane..... | 0:00 | 14 | |
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| 2024-10-07 | Find the area of the following region using integration :\\[\\left\\{(x, y ): y ^2 \\leq 2 x \\t.... | 0:00 | 8 | |
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| 2024-10-07 | Hoffmann Bromamide Degradation reaction is given by :.... | 0:00 | 7 | |
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| 2024-10-07 | The correct cell to represent the following reaction is :\n\\(Zn +2 Ag ^{+} \\longrightarrow Zn .... | 0:00 | 9 | |
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| 2024-10-07 | Consider the elements N, P, O and S and arrange them is order of :
(i) increasing ist ionisation.... | 0:00 | 4 | |
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| 2024-10-07 | The electrical resistance of a column of \\(0.05 mol L ^{-1} NaOH\\) solution of diameter \\(1 c.... | 0:00 | 6 | |
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| 2024-10-07 | Using properties of determinants show that\\[\\left|\\begin{array}{ccc}1+\\mathrm{a}^2-\\mathrm{.... | 0:00 | 6 | |
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| 2024-10-07 | Reaction of 1-phenyl-2-chloropropane with alcoholic \\(KOH\\) gives mainly :.... | 0:00 | 6 | |
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| 2024-10-07 | Find :\\[\\int \\frac{x^2+x+1}{(x+2)\\left(x^2+1\\right)} d x\\].... | 0:00 | 52 | |
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| 2024-10-07 | Four cards are drawn one by one with replacement from a well-shuffled deck of playing cards. Fin.... | 0:00 | 16 | |
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| 2024-10-07 | Nucleotides and amino acids are vital building blocks in biology, but although nature has master.... | 0:00 | 6 | |
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| 2024-10-07 | Let \\(\\mathrm{W}\\) denote the set of words in the English dictionary. Define the relation \\(.... | 0:00 | 6 | |
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| 2024-10-07 | How will you carry out the following conversions : (Any two)Ethanal to But-2-enal.... | 0:00 | 3 | |
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| 2024-10-07 | Give reasons for the following :Actinoids show irregularities in their electronic configuration..... | 0:00 | 9 | |
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| 2024-10-07 | Define order of reaction. How does order of a reaction differ from molecularity for a complex re.... | 0:00 | 10 | |
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| 2024-10-07 | In a group activity class, there are 10 students whose ages are \\(16,17,15\\), \\(14,19,17,16,1.... | 0:00 | 1 | |
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| 2024-10-07 | Write balanced ionic equations for the following reactions in aqueous solution:(i) \\(MnO _4^{-}.... | 0:00 | 2 | |
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| 2024-10-07 | [NiCl4]2– is paramagnetic while [Ni(CO)4] is diamagnetic though b.... | 0:00 | 7 | |
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