Types of Chemical Reactions and Gas Tests

The products of an acid - metal reaction are:

• carbon dioxide + water

• salt + hydrogen

• salt + water

• salt + carbon dioxide + water

The products of an acid - metal carbonate reaction are:

• carbon dioxide + water

• salt + hydrogen

• salt + water

• salt + carbon dioxide + water

The products of an acid - base reaction are:

• carbon dioxide + water

• salt + hydrogen

• salt + water

• salt + carbon dioxide + water

The products of the combustion of a fuel are:

• carbon dioxide + water

• salt + hydrogen

• salt + water

• salt + carbon dioxide + water

A rapid oxidation reaction that releases heat and light.

• corrosion

• combustion

• decomposition

• neutralisation

A reaction that breaks down a larger molecule into smaller molecules.

• corrosion

• combustion

• decomposition

• neutralisation

A reaction between an acid and a base.

• corrosion

• combustion

• decomposition

• neutralisation

The positive gas test result for a lit splint in hydrogen is:

• a squeaky pop

• the flame will reignite

• the flame will extinguish

• no change

The positive gas test result for a lit splint in carbon dioxide is:

• a squeaky pop

• the flame will reignite

• the flame will extinguish

• no change

The positive gas test result for a glowing splint in oxygen is:

• a squeaky pop

• the flame will reignite

• the flame will extinguish

• no change