| 2024-09-24 | What is the probability that the randomly selected seed is of type \\(A_1\\), given that it germ.... | 0:00 | 3 | |
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| 2024-09-24 | (a) A solution contains 5.85 g NaCl (Molar mass =58.5  g mol-1) per litre of solution..... | 0:00 | 9 | |
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| 2024-09-24 | What does part 6,6 mean in the polymer Nylon-6,6 ?.... | 0:00 | 1 | |
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| 2024-09-24 | Concentrated sulphuric acid is added followed by heating to each of the three test tubes (i) to .... | 0:00 | 4 | |
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| 2024-09-24 | Find :\\[\\int \\frac{2}{(1-x)\\left(1+x^2\\right)} d x\\].... | 0:00 | 7 | |
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| 2024-09-24 | If half-life period for a first order reaction in \\(\\mathrm{A}\\) is 2 minutes, how long will .... | 0:00 | 2 | |
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| 2024-09-24 | The susceptibility of a magnetic material is-1.6×10-5. Identify the type of material and wr.... | 0:00 | 5 | |
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| 2024-09-24 | Give reasons :Adsorption of a gas on the surface of a solid is generally accompanied by decrease.... | 0:00 | 1 | |
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| 2024-09-24 | An ammeter, together with an unknown resistance in series is connected across two identical batt.... | 0:00 | 6 | |
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| 2024-09-24 | If \\(\\frac{d}{d x}(f(x))=\\log x\\), then \\(f(x)\\) equals :.... | 0:00 | 1 | |
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| 2024-09-24 | With the help of the circuit diagram, explain the working of a silicon p-n junction diode in for.... | 0:00 | 7 | |
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| 2024-09-24 | Give reasons :A delta is formed at the meeting point of sea water and river water..... | 0:00 | 2 | |
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| 2024-09-24 | In Young's double slit experiment, the slits are separated by \\(0.3 \\mathrm{~mm}\\) and the sc.... | 0:00 | 5 | |
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| 2024-09-24 | Using integration, find the area of the region bounded by the parabola \\(y^2=4 a x\\) and its l.... | 0:00 | 3 | |
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| 2024-09-24 | Show the intensity distribution in the fringes due to diffraction at a single slit..... | 0:00 | 0 | |
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| 2024-09-24 | Using \\(\\mathrm{E}^{\\circ}\\) values of \\(\\mathrm{X}\\) and \\(\\mathrm{Y}\\) given below, .... | 0:00 | 2 | |
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| 2024-09-24 | What is the shape of the wavefront of light emerging out of a convex lens when a point source is.... | 0:00 | 4 | |
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| 2024-09-24 | If \\(A=\\left[\\begin{array}{ccc}1 & 4 & x \\\\ z & 2 & y \\\\ -3 & -1 &.... | 0:00 | 4 | |
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| 2024-09-24 | Write the reaction of Glucose with :\n\\(HI\\).... | 0:00 | 1 | |
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| 2024-09-24 | (i) Name the factors on which the focal length of a lens depends.(ii) A converging lens is immer.... | 0:00 | 1 | |
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| 2024-09-24 | Consider a system of two parallel metal plates of area ‘A’, each placed at a separat.... | 0:00 | 1 | |
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| 2024-09-24 | Assertion (A): The nucleus \\({ }_3^7 X\\) is more stable than the nucleus \\({ }_3^4 Y\\).Reaso.... | 0:00 | 2 | |
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| 2024-09-24 | Differentiate the following :\nEssential amino acids and Non-essential amino acids.... | 0:00 | 0 | |
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| 2024-09-24 | Which of the following series in hydrogen spectrum lies in its visible region?.... | 0:00 | 3 | |
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| 2024-09-24 | Bag I contains 4 red and 3 black balls. Bag II contains 3 red and 5 black balls. One of the two .... | 0:00 | 1 | |
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| 2024-09-24 | Evaluate:\\[\\int_0^\\pi \\frac{x \\tan x}{\\sec x+\\tan x} d x\\].... | 0:00 | 2 | |
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| 2024-09-24 | Which complex compound is most stable?.... | 0:00 | 4 | |
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| 2024-09-24 | Differentiate between antiseptic and disinfectant. Give one example of each..... | 0:00 | 4 | |
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| 2024-09-24 | Predict the products of electrolysis in each of the following :An aqueous solution of \\(CuSO _4.... | 0:00 | 3 | |
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| 2024-09-24 | The value of \\(\\int_0^{\\pi / 6} \\sin 3 x d x\\) is :.... | 0:00 | 2 | |
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| 2024-09-24 | Which one of the following arrangements does not give the correct picture of the trends indicate.... | 0:00 | 3 | |
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| 2024-09-24 | Explain the working principle of a light emitting diode. Write two important advantages of LEDs .... | 0:00 | 4 | |
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| 2024-09-24 | Explain the formation of the fringes due to diffraction at a single slit, when path difference o.... | 0:00 | 5 | |
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| 2024-09-24 | Draw a ray diagram to show the formation of an image at the least distance of distinct vision, b.... | 0:00 | 11 | |
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| 2024-09-24 | To avoid the precipitation of hydroxides of Zn2+,Mn2+ and Ni2+ along with those of&nbs.... | 0:00 | 4 | |
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| 2024-09-24 | Assertion (A) :The angle of minimum deviation for a prism is lesser for red light than that for .... | 0:00 | 8 | |
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| 2024-09-24 | Write equations of the following reactions :\nNitration of Phenol with concentrated nitric acid.... | 0:00 | 2 | |
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| 2024-09-24 | In single slit diffraction, explain why the maxima at \\(\\theta=\\left( n +\\frac{1}{2}\\right).... | 0:00 | 1 | |
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| 2024-09-24 | In which of the following reactions a reddish-brown coloured gas is evolved?.... | 0:00 | 2 | |
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| 2024-09-24 | Calculate the emf and ΔG of the following cell at 298 K : Mg ( s )Mg2+10-3M‖Cu2+.... | 0:00 | 4 | |
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| 2024-09-24 | Why is \\(\\left[ Fe ( CN )_6\\right]^{4-}\\) diamagnetic while \\(\\left[ FeF _6\\right]^{3-}\\.... | 0:00 | 1 | |
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| 2024-09-24 | Depict the Galvanic cell in which the following reaction takes place :\nMg(s)+Cu2+(aq)⟶Mg.... | 0:00 | 9 | |
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| 2024-09-24 | Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of compara.... | 0:00 | 0 | |
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| 2024-09-24 | Write the name of reagent(s) used in the following reactions :\n (i)   CH3CH.... | 0:00 | 11 | |
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| 2024-09-24 | Name a best known and most common autosomal aneuploid abnormality in human and write any two sym.... | 0:00 | 2 | |
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| 2024-09-24 | Why is ester hydrolysis slow in the beginning and then becomes faster after some time ?.... | 0:00 | 2 | |
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| 2024-09-24 | Consider the reaction:RCHO+NH2NH2→RCH=N-NH2
What sort of reaction is it?.... | 0:00 | 1 | |
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| 2024-09-24 | In the following pairs of halogen compounds, which would undergo \\(S _{ N } 2\\) reaction faste.... | 0:00 | 3 | |
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| 2024-09-24 | The correct corresponding order of names of four aldoses with configuration given below:.... | 0:00 | 8 | |
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| 2024-09-24 | A beam of unpolarised light of intensity 2mW passes successively through two parallel polarizing.... | 0:00 | 1 | |
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| 2024-09-24 | Consider the following reaction and identify the product (P).
.... | 0:00 | 4 | |
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| 2024-09-24 | In which period, the number of immune cells forming antibodies will be the highest in a person s.... | 0:00 | 4 | |
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| 2024-09-24 | Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Re.... | 0:00 | 4 | |
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| 2024-09-24 | Give the sequence of colour bands found on a 47kΩ±10% carbon resistor..... | 0:00 | 1 | |
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| 2024-09-24 | For a weak acid HA, the percentage of dissociation in nearly 1 % at equilibrium. If the concentr.... | 0:00 | 40 | |
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| 2024-09-24 | Name the disorder in humans with the following karyotype : 22 pairs of autosomes \\(+21^{\\.... | 0:00 | 0 | |
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| 2024-09-24 | The existence of two different coloured complexes with the composition of CoNH34Cl2+ is due to:.... | 0:00 | 2 | |
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| 2024-09-24 | A magnetic needle free to rotate in a vertical plane orients itself vertically at a certain plac.... | 0:00 | 5 | |
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| 2024-09-24 | The relation betweennm,nm= the number of permissible values of magnetic quantum number \(( m )\).... | 0:00 | 4 | |
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| 2024-09-24 | Identify ' \\(D\\) ' and ' \\(E\\) '. Mention the role of ' \\(E\\) '..... | 0:00 | 3 | |
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| 2024-09-24 | Among the following which is the strongest oxidising agent?.... | 0:00 | 1 | |
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| 2024-09-24 | The energy equivalent of 10 g of a substance is ___________ J..... | 0:00 | 1 | |
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| 2024-09-24 | The correct geometry and hybridization for XeF4 are.... | 0:00 | 5 | |
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| 2024-09-24 | The segment of DNA which acts as the instrumental manual for the synthesis of the protein is:.... | 0:00 | 2 | |
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| 2024-09-24 | The EΘ values forAl+/Al=+0.55 V and Tl+/Tl=-0.34 VIdentify the incorrect statemen.... | 0:00 | 3 | |
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| 2024-09-24 | Explain, what is observed whencurrent is passed through colloidal sol,.... | 0:00 | 7 | |
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| 2024-09-24 | In which of the following pairs, the two species are isostructural?.... | 0:00 | 3 | |
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| 2024-09-24 | Deficiency of vitamin B1causes the disease:.... | 0:00 | 0 | |
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| 2024-09-24 | A one litre flask is full of brown bromine vapour. The intensity of brown colour of vapour will .... | 0:00 | 1 | |
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| 2024-09-24 | Which of the following methods is used to convert ketone into hydrocarbon?.... | 0:00 | 1 | |
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| 2024-09-24 | What volume of 10 M HCl and 3 M HCl should be mixed to get 1 L of 6M HCl solution?.... | 0:00 | 25 | |
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| 2024-09-24 | Which of the following is not a fat soluble vitamin?.... | 0:00 | 0 | |
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| 2024-09-24 | Match the following:
Which of the following is the correct option?.... | 0:00 | 9 | |
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| 2024-09-24 | Of the following complex ions, which is diamagnetic in nature?.... | 0:00 | 9 | |
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| 2024-09-24 | \nAssertion (A):\nThe maximum number of electrons in a subshell is \\( 2(2 l+1) \\).\n\nReason (.... | 0:00 | 1 | |
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| 2024-09-24 | The sum of coordination number and oxidation number of the metal M in the complex M(en)2C2O4Cl) .... | 0:00 | 3 | |
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| 2024-09-24 | A white powder when strongly heated gives off brown fumes. A solution of this powder gives a yel.... | 0:00 | 2 | | POWDER
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| 2024-09-24 | The angular shape of ozone molecule O3 consists of:.... | 0:00 | 1 | |
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| 2024-09-24 | Which of the following complex species is not expected to exhibit optical isomerism?.... | 0:00 | 0 | |
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| 2024-09-24 | The specific conductance of a 0.1 N KCl solution at 230 C is 0.012 ohm-1.... | 0:00 | 7 | |
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| 2024-09-24 | In the reactionCH3CHO+HCN→CH3CH(OH)CN, a chiral centre is produced. This product is:.... | 0:00 | 4 | |
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| 2024-09-24 | Ketones RCOR1 where R=R1= alkyl group. It can be obtained in one step by:.... | 0:00 | 3 | |
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| 2024-09-24 | Which of the following alkenes can be used to prepare 1-Bromo-1-methylcyclopentane by the additi.... | 0:00 | 5 | |
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| 2024-09-24 | Which one of the following esters gets hydrolysed most easily under alkaline conditions?.... | 0:00 | 9 | |
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| 2024-09-24 | A strong base can abstract an \(\alpha\)-hydrogen from:.... | 0:00 | 1 | |
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| 2024-09-24 | Which one of the following molecular hydrides acts as a Lewis acid?.... | 0:00 | 0 | |
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| 2024-09-24 | In a potentiometer experiment, the balancing with a cell is at length \(150 cm\). On shunting th.... | 0:00 | 3 | |
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| 2024-09-24 | KMnO4 reacts with oxalic acid according to the equation2MnO4-+5C2O42-+16H+→2Mn2++10CO2.... | 0:00 | 3 | |
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| 2024-09-24 | General electronic configuration of lanthanides is:.... | 0:00 | 2 | |
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| 2024-09-24 | The formation of the oxide ion, \(O ^{2-}( g )\) from oxygen atom requires first an exothermic s.... | 0:00 | 1 | |
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| 2024-09-24 | The random variable \\(X\\) has a probability distribution \\(P ( X )\\) of the following form, .... | 0:00 | 5 | |
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| 2024-09-24 | An example of a sigma bonded organometallic compound is:.... | 0:00 | 2 | |
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| 2024-09-24 | Consider the reaction
CH3CH2CH2Br+NaCN→CH3CH2CH2CN+NaBr
This reaction will be the fastest i.... | 0:00 | 1 | |
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| 2024-09-24 | Which of the following two species in the pair are isostructural?.... | 0:00 | 4 | |
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| 2024-09-24 | Two long parallel wires are at a distance2d apart. They carry steady equal currents flowing out .... | 0:00 | 4 | |
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| 2024-09-24 | Elimination reaction of 2-Bromo-pentane to form pent-2-ene (1) β-Elimination reaction(.... | 0:00 | 1 | |
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| 2024-09-24 | For the reversible reaction N2g + 3H2g →2NH3g at 500°C, .... | 0:00 | 1 | |
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| 2024-09-24 | Which is the correct symbol relating the two Kekule structures of benzene?.... | 0:00 | 2 | |
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| 2024-09-24 | The lens maker's formula is useful to design lenses of desired focal lengths using surfaces of s.... | 0:00 | 3 | |
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| 2024-09-24 | Consider the following reaction ethanol →PBI3X→ alc. KOHY→&nb.... | 0:00 | 8 | |
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