Q.

Regarding the process involving discharge of lead storage battery, the correct statements are

A) Lead sulphate is formed.

B) Sulphuric acid is consumed.

C) Specific gravity of sulphuric acid decreases.

D) Lead undergoes oxidation.

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a

B and D only

b

A, B, C and D

c

A, B and D only

d

B and C only

answer is C.

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Detailed Solution

During the discharge of lead storage battery,

Pb0+Pb+4O2+2H2SO4β‡Œ2F2Pb+2SO4+2H2O

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Regarding the process involving discharge of lead storage battery, the correct statements areA) Lead sulphate is formed.B) Sulphuric acid is consumed.C) Specific gravity of sulphuric acid decreases.D) Lead undergoes oxidation.