Chemistry · May / June 2023 · Paper 21 · Question 5
5070
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Ammonium chloride decomposes when heated to make hydrogen chloride and ammonia. This reaction is reversible. The forward reaction absorbs thermal energy. NH4Cl (s) HCl (g) + NH3(g)
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5(a)(i)[2]
5(a)(ii)[2]
5(a)(iii)[2]
5(b)[2]
5(c)[2]
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