Question

(5) Which of the following is not used as fire extinguisher ?
A. Water B. O2 C. CO2
D. Sand
(6) Which of the following is not a type of combustion ?
A. Rapid combustion B. Spontaneous combustion
C. Explosion
D. Blast​

Answer 1

Answer:

(5)O2

Explanation:

Answer 2

Answer:

answer is O2

hope it will help