Question

Find that from which book this pic is taken and tell company and name of book and give solution of this worksheet ​

Answer 1

I think this worksheet is taken from class 8th ncert science book chapter 6

Explanation:

Ans. 1 Combustion can take place in the presence of:

(a) a combustible substance.

(b) oxygen, that is, the supporter of combustion.

(c) attainment of ignition temperature of the substance.

Ans. 2 (a) pollution

(b) LPG

(c) ignition temperature

(d) water