Question

5. Assertion (A):In electrolysis of water, the volume of hydrogen liberated is twice the volume of oxygen formed.Reason (R):Water (HO) has hydrogen and oxygen in the ratio of 1:2 by volume.6. Assertion(A):Corrosion of iron is commonly known as rusting.Reason (R):Corrosion of iron occurs in presence of water and air7. Assertion(A):The balancing of chemical equations is based on law of conservation of mass.Reason (R):Total mass of reactants is equal to total mass of products

Answer 1

Answer:

5.both assertion and reason are wrong

6.both assertion and reason are right

7.both assertion and reason is right