Chemistry MCQs Online Quiz Test 27

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Solved Chemistry Exercises MCQs Quiz Tests

Q.1: The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called——–?

  1. Dipole-dipole forces
  2. Ion dipole-dipole forces
  3. London dispersion forces
  4. Debye forces

A

Q.2: Vapour pressure is not affected by——–?

  1. Surface area
  2. temperature
  3. intermolecular forces
  4. atmospheric pressure

A

Q.3: Table salt crystallizes with a———–?

  1. Face centered cubic lattice
  2. body centered cubic lattice
  3. simple cubic lattice
  4. othorhombic lattice

B

Q.4: During which process empty spaces between particles become minimum ?

  1. ionization
  2. condensation
  3. fusion
  4. evaporation

B

Q.5: Which one of the following has highest volatility———?

  1. Diethyl ether
  2. Ethyl alcohol
  3. Water
  4. Ethylene glycol

A

Q.6: If we provide very high amount of heat to a liquid its boiling point will———?

  1. increase
  2. remains constant
  3. decrease
  4. there will be no boiling

B

Q.7: A solid may be made up of———?

  1. Atoms
  2. Ions
  3. Molecules
  4. A, B, and C

D

Q.8: Amorphous substances posses———?

  1. No definite geometry
  2. No definite heat of fusion
  3. No sharp melting points
  4. All of the above

C

Q.9: Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to———?

  1. More strength of H-bonding
  2. More strength of London forces
  3. Less polarizability
  4. All of the above

B

Q.10: The phenomenon in which a compound exists in two or more crystalline forms is called ——–?

  1. Isomorphism
  2. Polymorphism
  3. Anisotropy
  4. Allotropy

B