7000+ Electrolysis And Storage Of Batteries MCQ Questions Pdf - 1

Question: 1

The most commonly used accumulator is

(A) Lead acid

(B) Nickel metal hydrides

(C) Nickel cadmium

(D) Nickel iron

Question: 2

The emf of a lead battery

(A) Increases with the increase in specific gravity of the electrolyte

(B) Slightly increases with the increase in temperature

(C) Decreases with the increase in temperature

(D) Both a and b

Question: 3

The specific gravity of acid is checked with the

(A) Lactometer

(B) Hydrometer

(C) Hygrometer

(D) Any of the above

Question: 4

The current in a chemical cell is due to movement of

(A) Positive ion only

(B) Negative ions only

(C) Positive and negative ions

(D) None of the above

Question: 5

Cells are connected in parallel in order to increase the

(A) Current capacity

(B) Voltage rating

(C) Efficiency

(D) Life of the cells