Question

question 6 (1 point) which of the following are chemical properties? check all that apply 1) a piece of metal becomes hot when heated 2) a solution of substance - a releases gas when another solution is mixed with it 3) water vapor condenses as droplets when cooled 4) several ingredients when mixed and baked, form a cake 5) sugar turns brown and then black when heated on an oven 6) a white pill of medication turned brown after expiration date

Explanation:

Chemical properties are observed when a substance undergoes a chemical change.

1. Metal heating is a physical change (no new substance).
2. Gas - release on mixing solutions is a chemical change.
3. Water vapor condensation is a physical change.
4. Baking ingredients to form a cake involves chemical reactions.
5. Sugar browning and blackening on heating is a chemical change.
6. Medication changing color after expiration is a chemical change.

Answer:

1. A solution of substance - A releases gas when another solution is mixed with it
2. Several ingredients when mixed and baked, form a cake
3. Sugar turns brown and then black when heated on an oven
4. A white pill of medication turned brown after expiration date