Question : The reaction between an acid and a base to give a salt and water is called______.

Option 1: neutralisation reaction

Option 2: combination reaction

Option 3: displacement reaction

Option 4: decomposition reaction

Question : Burning of coal is an example of_________.

Option 1: decomposition reaction

Option 2: double displacement reaction

Option 3: combination reaction

Option 4: displacement reaction

Question : The working of a dry cell is based on

Option 1: Decomposition reaction

Option 2: Spontaneous oxidation-reduction reaction

Option 3: Combination reaction

Option 4: Electrolysis