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JEE Main Test 97

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JEE Main Test 97
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Weekly Quiz Competition
  • Question 1
    4 / -1

    If a focal chord of parabola y2 = 16x cuts it at points (f, g) and (h, k). Then f, h is equal to

    Solution

     

     

  • Question 2
    4 / -1

    Solubility product constant [Ksp ] of salts of types MX, MX2 and M3X at temperature T are 4.0 × 10-8, 3.2 × 10-14 and 2.7 × 10 respectively. Solubilities (mol, dm-3) of the salts at temperature T are in the order

    Solution

     

  • Question 3
    4 / -1

    Which of the following exists as covalent crystals in the solid state ?

    Solution

    Iodine, sulphur and phosphorus exists as I2, S6 and P4 respectively. Silicion does exist as covalent crystal in the solid state, because in silicon, constituent particles are bonded together by covalent bons.

     

  • Question 4
    4 / -1

    Fractional distillation is a process by which the separation of different fractions from mixture of solution is carried by making use which of the following property of the fractions ?

    Solution

    Distillation is used to purify liquids and based on difference in their boiling points. When boiling points of liquids are very closed to each others then fractional distillation is used.

     

  • Question 5
    4 / -1

    Directions For Questions

    E1, E2, E3 are the emfs of the following three galvanic cells respectively

    I. Zn (s) | Zn2+ (0.1M) ||Cu2+ (1 M)|Cu (s)

    II. Zn (s) |Zn2+ (1M)||C2+ (1M)|Cu (s)

    III. Zn(s) |Zn2+ (1M)|| Cu2+ (0.1M)|Cu (s)

    ...view full instructions

    Which one of the following is true ?

    Solution

     

     

  • Question 6
    4 / -1

    Directions For Questions

    Consider the following statements in respect of zero order reaction.

    I. The rate of the reaction is independent of reactant concentration.

    II. The rate of the reaction is independent of temperature.

    III. The rate constant of the reaction is independent of temperature.

    IV. The rate constant of the reaction is independent of reactant concentration.

    ...view full instructions

    Choose the correct statement/s.

    Solution

    For zero order reaction, rate and “ K ” does not depend on concentration of reactants.

     

  • Question 7
    4 / -1

    In Langmuir's model of adsorption of a gas on a solid surface

    Solution

     

  • Question 8
    4 / -1

    Solution

     

  • Question 9
    4 / -1

    The product formed in the reaction of SOCl2 with white phosphorus is

    Solution

     

  • Question 10
    4 / -1

    Solution

     

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