Chemistry MCQs Online Quiz Test 9

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Online Chemistry MCQs With Answers Quiz Test

Q.1: Chlorination of water may be harmful if the water contains———?

  1. Ammonia
  2. Dissolved oxygen
  3. Carbon dioxide
  4. All Of Above

C

Q.2: The mass of one mole of electron is——–?

  1. 1.008
  2. 0.55
  3. 0.184
  4. 1.637

B

Q.3: The number of atoms in a molecule determines——–?

  1. macromolecule
  2. macromolecule
  3. molecularity
  4. atomicity

D

Q.4: Which element has same isotopes like palladium———-?

  1. Nickel
  2. Calcium
  3. Cadmium
  4. Tin

B

Q.5: A limiting reactant is one which——–?

  1. is taken in lesser quantity in grams as compared to other reactants
  2. is taken in lesser quantity in volume as compared to other reactants
  3. gives the maximum amount of the product which is required
  4. gives the minimum amount of the product under consideration

D

Q.6: A safe and more reliable method for drying the crystal is———?

  1. Hot air currents
  2. folds of filter paper
  3. oven
  4. Vacuum desiccator

D

Q.7: A real gas obeying vander waals equation will resemble the ideal gas if————?

  1. Both a and b are small
  2. Both a and b are large
  3. a is small and b is large
  4. a is large and b is small

A

Q.8: Plasma is used in———?

  1. Fluorescent bulb
  2. Neon signs
  3. Lasers
  4. All of these

D

Q.9: Which of the following is pseudo solid———–?

  1. CaF2
  2. NaCl
  3. Glass
  4. Diamond

C

Q.10: Bohrs model is contradicted by———?

  1. Plancks theory
  2. Dual nature of matter
  3. Heisenbergs uncertainty principle
  4. All of these

C