Question

Complete the following table:

Change - Physical/Chemical

1.Burning of magnesium
ribbon in air

2.Electrolysis of water

3.Preparation of sugar
solution

4.Conversion of milk
into curd

5.Evaporation of alcohol​

Answer 1

Explanation:

Classify the following as physical change or chemical change. i.Burning of magnesium ribbon in air ii.Burning of sulphur in air iii.Electrolysis of water iv.Purification of copper sulphate from impure copper sulphat by crystallization v.Preparation of sugar solution vi.Conversion of milk into curd vii.Evaporation of alcohol viii.Burning of coal

Answer 2

ANSWER:

1.Burning of magnesium ribbon in air = CHEMICAL CHANGE

2.Electrolysis of water = CHEMICAL CHANGE

3.Preparation of sugar solution = PHYSICAL CHANGE

4.Conversion of milk into curd =CHEMICAL CHANGE

5.Evaporation of alcohol = PHYSICAL CHANGE