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Chemistry

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2. What harmful change/s is/are brought about when a metal reacts or mixes with acids

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knh2430 knh2430

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Answer: hydrogen gas

When metal reacts with acids it produces metal salt and hydrogen gas ( H2 ) . All metals do not react with acids to evolve hydrogen gas . Only those metals react which is more reactive than hydrogen . When metal reacts with acid it forms a salt which is basic in nature and releases hydrogen gas.

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audamuneza611 audamuneza611

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Answer:

When metals react with other substances, the gradual wearing away or corrosion of a metal results.This may lead to deterioration of metals

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