CLASS A:-
Dry fires (wood, paper, textiles) ~ Water, Dry powder.
CLASS B:-
Combustible liquids (kerosene, petrol etc.)~ Foam, dry powder.
CLASS C:-
Electrical fires~ CO2, halon.
Class D:-
Fire in light metals.
Class E:-
Petroleum gases.
Class F:-
Spontaneously combustible materials~ water, foam and dry powder.