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NEET Test 74...

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  • Question 1
    4 / -1

    Which of the following forms non-stoichiometric hydrides?

  • Question 2
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    A greenish yellow gas is obtained by heating potassium dichromate with conc. hydrochloric acid. Which of the following options is wrong about the gas liberated here?

  • Question 3
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    A hypothetical reaction A→2B proceeds through the following sequence of steps:

    The heat of reaction is

  • Question 4
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    A solid copper sphere (density ρ and specific heat capacity c) of radius r at an initial temperature 200K is suspended inside a chamber whose walls are at almost 0K. The time required (in μ s) for the temperature of the sphere to drop to 100K is

  • Question 5
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    Vegetative propagation in Pistia occurs by:

  • Question 6
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    The increasing order of the reactivity of the following halides for the SN1 reaction is:

  • Question 7
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    Choose the correct one for photorespiration that occurs in C3 plants.

  • Question 8
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    In the figure, given that VBB supply can vary from 0 to 5.0V,VCC=5V, βdc=200, RB= 100kΩ, RC=1kΩ and VBE = 1.0V. The minimum base current and the input voltage at which the transistor will go to saturation, will be respectively:

  • Question 9
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    The ratio of the value of any colligative property for K4[Fe(CN)6] to that of Fe4[Fe(CN)6]3 solution is nearly:

  • Question 10
    4 / -1

    (NH4)2Cr2O7 gives on heating a gas which is also given by:

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