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General Knowledge · Q1066

Practice

Competitive Exams · General Knowledge · question 1066

Q1066

When a lead storage battery is discharged,

A.
SO2 is evolved
B.
Lead sulphate is consumed
C.
Lead is formed
D.
Sulphuric acid is consumed
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Discharging the stored energy relies on both the positive and negative plates becoming lead(II) sulphate and the electrolyte losing much of its dissolved sulfuric acid. Hence, sulphuric acid is consumed.