Question

State one example each characterised by the following along with the chemical equation: i) Change in state ii) Change in temperature iii) Evolution of gas

Answer 1

Answer:

Change in state

NH3(g) + HCl (g) ---> NH4Cl (s)

Change in temperature

3H2 + N2 ---> 2NH3 + heat

Evolution of a gas

Na + HCl ---> NaCl + H2 (g)

Hope this helps !

Explanation:

Answer 2

HIIIII MATE

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