What product is obtained when an acid reacts with a metal?​

salt and hydrogen gas

Explanation:

acid + metal = salt + hydrogen

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Explanation:

hydrogen gas

An acid will react with a metal to form a salt and hydrogen gas. The general word equation for the reaction between an acid and a metal is as follows: acid + metal → salt + hydrogen.

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.

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