Why is the amount of gas collected in one of the test tube in activity 1.7 double?
Activity 1.7 deals with the electrolysis of water using battery. It lyses the water into its component molecule viz. Hydrogen and oxygen.
Checmical reactions and equations solution
Substance X used for whitewashing
Substance X in the question is Calcium oxide also called as “Quick lime”.
Calcium oxide reacts with water and form calcium hyroxide and relases energy as heat. Calcium hydroxide is also called as “slaked lime”.