Question

To carry out the following reactions and classify them as Physical or chemical change
a.Iron with copper sulphate solution in water
b. Burning of magnesium in air
c.zinc with dilute sulphuric acid
d.Heating of Cebber sulphate
e.Sodium sulphate with barium chloride in the form of their solution in water​

Answer 1

Answer:

à. chemical changes

b. chemical changes

c. chemical changes

d. physical changes

e. physical