The acid generally stored in batteries is :

sulphuric acid

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nitric acid

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hydrochloric acid

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acetic acid

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Solution

The correct option is C sulphuric acid
Sulphuric acid develops voltage from the chemical reaction produced when two unlike materials such as the positive and negative plates are immersed in the electrolyte a solution of sulphuric acid and water. In typical lead-acid battery the voltage is approx. 2 volts per cell for a total of 12 volts.

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(a)nitric acid
(b)carbonic acid
(c)sulpheric acid
(d)hydrochloric acid

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(ii) Write the equation for the reaction of dilute nitric acid with copper.
(iii) Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.

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