1On the basis of the observations made on table salt and copper sulphate, write the physical properties of salts.
2Write the conclusion drawn from observing what happens when iron filings are put into copper sulphate solution.
3What is a salt? Write its three kinds with examples.
4What happens when a salt dissolves in water? Explain with the example of sodium chloride and give the equation.
5Write, with one example each, the chemical reaction of a salt with an acid and with a base.
6What is a displacement reaction? Make it clear with an equation.
7Write two uses each of table salt, washing soda and baking soda.
8Why is there no reaction when copper powder is put into ferrous sulphate solution?