Question

बैटरी में आसूत जल का ही प्रयोग क्यों किया जाता है? ​

Answer 1

Distilled water is used to dilute acid lead acid in battery that is required for the flow of electricity in the battery. But don't use normal water for this purpose because it contain metal ions which react with acid and electrodes and causes of degradation in  charging capicity of battery.