Question

Answer the following questions.
a. Explain the difference between acid
and base.​

Answer 1

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Acids are sour, gives burning sensation, generally sticky, reacts with metals to produce hydrogen gas. Although bases are opposite as they are bitter, generally odorless (except ammonia), they are slippery; bases react with fats and oils. In phenolphthalein, indicator acids remain colorless, and base gives pink color.

Answer 2

An acid increases the concentration of H+ ions, but, a base is a substance that releases hydroxide (OH-) ions in aqueous solution, donates electrons and accepts protons.

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