Question

pouring milk on cereal *
chemical change
physical change
burning leaves *
chemical change
physical change
making salt water to gargle with *
chemical change
physical change

Explanation:

1. Pouring milk on cereal only changes the state of mixture physically, no new substances are formed.
2. Burning leaves involves a chemical reaction with oxygen, producing new substances like carbon - dioxide and ash, so it's a chemical change.
3. Making salt - water for gargling is just dissolving salt in water, no new chemical substances are created, it's a physical change.

Answer:

1. B. physical change
2. A. chemical change
3. B. physical change