Q1Multiple choice
A substance which reacts with oxygen giving heat is called a combustible substance. Which, one of the following is a combustible substance?
- (a)iron nail
- (b)glass
- (c)stone piece
- (d)wood
Show answer
(d) wood
A substance which reacts with oxygen giving heat is called a combustible substance. Which, one of the following is a combustible substance?
(d) wood