Reaction Acids with Metals

1. hydrogen
2. oxygen
3. carbon dioxide
4. carbon monoxide

Metal stoppers are expensive and therefore not used for bottles containing acids.

1. True

2. False

1. True
2. False

$2\text{Al (s)}+6\text{HCl (aq)}\to$

1. $2{\text{AlH}}_3\text{(aq)}+3{\text{Cl}}_2\text{(g)}$
2. ${\text{Al}}_2{\text{O}}_3\text{(aq)}+3{\text{H}}_2\text{(g)}$

3. $2{\text{Al(OH)}}_3\text{(aq)}+3{\text{Cl}}_2\text{(g)}$

4. $2{\text{AlCl}}_3\text{(aq)}+3{\text{H}}_2\text{(g)}$

1. Earthen pot
2. Aluminium container
3. Plastic container
4. Magnesium container

Which of the following gas is released when an acid reacts with metal?

1. Nitrogen

2. Oxygen

3. Hydrogen

4. Carbon