Question

which of the following is not an inflatable substance
(a) LPG
(b) KEROSENE
(c) DRY GRASS
(d) GLASS​

Answer 1

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1. Which of the following is not inflammable substance

(a) LPG

(b) Kerosene

(c) Dry Grass

(d) Glass

$\leadsto$ (d) Glass

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Inflammable substance :- Substance which catches fire easily and their ignition temperature is very low . Example of inflammable substance are Alcohol , petrol , LPG etc.

Combustion :- Chemical process in which substance catches fire in presence of oxygen .

Answer 2

Glass
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