ICSE Class 9 Answered
Give an example of
change of state with an explanation.
Asked by Topperlearning User | 05 Oct, 2017, 09:32: AM
Expert Answer
Certain chemical reactions are characterised by typical changes which are quite easily observed. One of the characteristics is ‘change of state’.
In some reactions, a change of a state is observed. The reaction starts with solid or liquid reactants and ends up with gaseous products and vice versa.
Example: Ammonia gas reacts with hydrogen chloride gas to form ammonium chloride which is in the solid state.
NH3(g) + HCl(g) NH4Cl(s)
Answered by | 05 Oct, 2017, 11:32: AM
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