Question

examples of equation in which
(a) change in state occur
(b) change in colour occur
(c) change in temperature occur
(d) evolution of gas occur
(e) precipitate formation occur
plz ans only if you know correctly ^_^​

Answer 1

Answer:

1 . h2+O2 gives water

2. Fe +s2 gives FeS

3.

Answer 2

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Explanation:

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