1.

When any metal react with acid so the hydrogen gas is produced .Why?​

Answer»

Explanation:

The GENERAL equation for a metal reacting with an acid is.

metal + acid → salt + hydrogen

Hydrogen is a colourless, odourless gas. So you may wish to confirm that the gas PRODUCED is indeed hydrogen.

In order to do this, run your EXPERIMENT in a test tube. (E.g fill a SMALL amount of acid, place some metal in, e.g magnesium) and place a bung inside the test tube to TRAP the gas.

Then, introduce a burning splint to the test tube. If a “Squeaky pop” occurs then you have confirmed that hydrogen is produced.



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