SSC CGL 10 Jun 2019 Shift 2 Paper

Question : 46 of 100

Marks: +1, -0

A traditional 'battery' contains which of the following chemicals?

Ethylene glycol
Sulphuric acid
Sodium bicarbonate
Ethanol

Solution:

Lead-acid batteries consist of (at least) two lead plates separated by a chemical solution generally made of

30-50 \%

sulfuric acid or "battery acid." When fully charged, the battery's negative plate is solidly lead, the electrolyte is concentrated sulfuric acid, and the positive plate consists of lead dioxide.

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