Question

Q3. Answer in one word:
()The lowest temperature at which a substance catches fire.-
(ii) A type of coal that has the highest carbon content.-
(iii) A lustrous non-metal -​

Answer 1

Answer:

(i) Ignition temperature

(ii) Anthracite

(iii) Iodine

Hope it helps ❤️

Answer 2

1- ignition temperature

2- Anthracite

3- Iodin

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