Which of the following acids is commonly used in batteries for cars?
A
Sulphuric acid
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B
Nitric acid
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C
Hydrochloric acid
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D
Acetic acid
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Solution
The correct option is B Sulphuric acid The answer is Sulphuric acid.
Being strong acid it completely dissociates in water to produce a high concentration of H+ ions. This complete dissociation allows more hydrogen ions to act as mobile charge carriers, to move towards the positive plate/terminal, to close the circuit and enable electric flow; thereby producing strong electrical conductivity.