Question

what is salt and acid and base

Answer 1

salt means saline substance
acid :-a solid substance that can dissolve metal and may burn your skin or clothes it has a PH value less than 7
base:-A base is a chemical species which donates electrons or hydroxide ions that accept protons

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Answer 2

Acid is a chemical which gives out H+ ions when it is dissolved in water.

Base is a chemical which reacts with an acid to form salt and water as the only products.

Salt is a chemical which has a positive ion other than H+ and a negative ion other OH-.