Some metals react with acids to produce salt and hydrogen gas. Illustrate it with an example. How will you test the presence of this gas ?

Question

TextReaction of Acids with MetalsReaction of Acids with Metal Carbonates and HydrogencarbonatesHydrogen Ion in AcidsCBSE PYQ

1 gram of solid sodium chloride was taken in a clean and dry test tube and concentrated sulphuric acid was added to it.

A spatula full of sodium carbonate is taken in a test tube and 2 mL of dilute ethanoic acid is added to it.

CASE_STUDIESReaction of Acids with Metal Carbonates and HydrogencarbonatesProperties and Uses of Ethanoic Acid