Practice Questons:
1. List out the charcteristics of chemical reactions and give example for each.
2. Explain the types of chemical reactions with examples.
3. What do you observe when
a) Copper carbonate undergoes decomposition,
b) when sodium carbonate reacts with barium chloride
c) Coppersulphate reacts with sodium hydroxide
d) lead nitrate reacts with ammonium hydroxide
Answers
Explanation:
- Characteristics of Chemical reaction
1)Evolution of gas. Some chemical reactions are characterised by the evolution of gas. ...
2)Formation of precipitate. Some chemical reactions are characterised by the formation of precipitate. ...
3)Change in colour. Some chemical reactions are characterised by change in colour. ...
4)Change in temperature. ...
5)Change of state.
- The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion. Analyzing the reactants and products of a given reaction will allow you to place it into one of these categories. Some reactions will fit into more than one category.
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