Tag: MCQ on Combustion and Flame

MCQ on Combustion and Flame 1.Burning of wood and coal causes ……………..of air. (A) Suffocation (B) Pollution (C) Oxygen (D) None of the above   2.Fire produced by oil cannot be controlled by ……………… (A) Carbon dioxide and foam (B) Water (C) Both A and B (D) None of the above   3.Fuel must be […]