Question

3. Vaporisation from the surface of a liquid is called a. Boiling b. Evaporation c. Condensation d. None of these 4. Which of the following is a chemical change? a. Melting of wax b. Mixing iron filings with sulphur powder c. Burning of wax d. Adding sugar to water 5. Limewater turns milky when gas bubbled through it is a.
Oxygen b. Nitrogen c. Carbon dioxide d. Water vapour ​

Answer 1

Answer:

3. evaporation

4.Mixing iron filings with sulphur powder

5. Carbon dioxide

Answer 2

Answer:

option b is correct

Explanation:

evaporation is vaporisation from surface of a liquid