Write an example of dilute and concentrated acids.
Concentrated acids:
Dilute acid:
How do metals react with dilute acids ? Explain with the help of an example.
Write the balanced chemical equations for the following conversions: (a) Lead sulphate from lead nitrate solution and dilute sulphuric acid. (b) Copper sulphate from copper and concentrated sulphuric acid (c) Ammonium sulphate from ammonia and dilute sulphuric acid.