Subject

Chemistry

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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11.

In nuclear explosion, the energy is released in the form of :

  • kinetic energy

  • electrical energy

  • potential energy

  • None of these


D.

None of these

In nuclear explosion, nuclear energy is released .


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12.

Which one of the following aqueous solutions of salts has the lowest pH value ?

  • CH3COONa

  • NaCl

  • NH4OOCCH3

  • NH4Cl


13.

Methoxy methane and ethanol are :

  • positionl isomers

  • chain isomers

  • functional isomers

  • optical isomers


14.

KI and CusO4 solution when mixed gives :

  • CuI2 + K2SO4

  • Cu2I2 + K2SO4 + I2

  • K2SO4 + Cu2I2 + I2

  • K2SO4 + CuI2 + I2


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15.

In the reaction ,  NaNH2/liq. ammonia A , the major product A is :


16.

The end product in the sequence would be 

C3H7OH 170°H2SO4 A Br2 B KOHAlc. C

  • CH3-CCH

  • CH3-C(OH)=CH2

  • CH2=C=CH2

  • CH3-CH(OH)-CH2(OH)


17.

Which of the following electrolytic solutions has the least specific conductance ?

  • 0.02 N

  • 0.2 N

  • 2 N

  • 0.002 N


18.

Which of the following can be measured by the Ostwald-Walker dynamic method ?

  • Relative lowering of vapour pressure

  • Lowering of vapour pressure

  • Vapour pressure of the solvent

  • All of the above


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19.

The number of disulphide linkages present in insulin are :

  • 1

  • 2

  • 3

  • 4


20.

Lanthanides and actinides are also called :

  • short periods

  • inner-transition elements

  • long periods

  • main transition elements


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