Chemistry MCQs Online Quiz Test 51

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Chemistry 2nd year Entry Test Online MCQs

Q.1: The melting points and boiling points upto meddle of 3d- series ———-?

  1. increases
  2. decreases
  3. remain same
  4. no regular trend


Q.2: The strength of solution of an element whose electrode potential is to be measured is——–?

  1. 2M
  2. 1N
  3. 1m
  4. 1M


Q.3: Voltaic cell is a———?

  1. irreversible cell
  2. reversible cell
  3. alkaline cell
  4. all of the above


Q.4: Percentage of sulfuric acid in lead accumulator is———?

  1. 40%
  2. 25%
  3. 30%
  4. 50%


Q.5: The half cells are interconnected through——–?

  1. wire
  2. salt bridge
  3. electric circuit
  4. no connection exists


Q.6: Which of the following element act as inert electrode——-?

  1. CCu
  2. Ag
  3. Pt
  4. None


Q.7: Stronger the oxidizing agent greater is the——–?

  1. Oxidation potential
  2. Reduction potential
  3. Redox potential
  4. emf of cell


Q.8: Which of the following cell is not rechargeable ?

  1. Lead storage battery
  2. Silver oxide cell
  3. Fuel cell
  4. Ni-Cd cell


Q.9: Which of the following is true in the case of Zn-Cu cell ?

  1. The flow of electrons takes place from copper to zinc
  2. E0red of copper electrode is less than that of zinc electrode
  3. Zinc acts as an anode and copper as cathode
  4. All are correct


Q.10: The degree of dissociation of week electrolyte increases as——–?

  1. Pressure increases
  2. Dilution decreases
  3. Dilution increases
  4. None