Choose the correct answer:
1. Chemical changes sometimes occurs with __________.
2. Match the column A with the column B
| Column A | Column B |
| a. Drying of clothes | i. Chemical change, irreversible |
| b. Ripening of fruits | ii. Physical change, reversible |
| c. Baking cake | iii. Evaporation, physical change |
| d. Paper plane | iv. Natural change, irreversible |