Question

1. Multiple Choice Questions
1. Following has the highest calorific value.
(a) kerosene (b) biogas (C) LPG (d) Petrol
2. Magnesium ribbon on burning in air produces.
(a) water and light (b) heat (c) heat and light (d) water and heat
3. Following is not a combustible substance? (a) camphor (b) glass (c) straw (d) alcohol


Teeno me se jitna aaye bata answer bata do. ​

Answer 1

Answer:

a

c

b

Explanation:

please. add me. NC gghhhyyyyyy

Answer 2

Answer:

c. LPG has the highest calorific value