Question

1.An example of a non-combustible substance is-
(a)petrol
(b)coal
(c)wood
(d)iron​

Answer 1

Answer:Hey friend ^_^

Here is your answer:

▶ Iron is a non combustible substance while petrol, coal and wood are combustible. ◀

Hope it helps u.

Explanation:

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Answer 2

Answer:

(a) petrol is the correct answer..