Question

i. On placing an inverted tumbler over a burning candle, the flame extinguishea after some
time. This is because of non-availability of (Analyse)
a) Oxygen
b) carbon dioxide
c) water vapour
d) wax
iii. Combustible substance is also known as
A
a) Heat
b) food
c) fuel
d) fire
iv. In which form fuel is found
E
a) Solid
b) liquid
c) gas
d) solid, liquid, gas
V. Which of the following is not a combustible substance?
a) Camphor
b) straw
c) glass
d) alcohol
H​

Answer 1

Answer:

1. (a) Oxygen

2. (c) Fuel

3. (c) Gas

4. (c) Glass

Explanation:

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