Question

Identify the following as physical (P) or chemical (C) changes.
1. NaCl (Table Salt) dissolves in water. ______
2. Milk sours. _____
3. Ag (Silver) tarnishes. ______
4. Sugar dissolves in water. _____
5. Wood rots. _____
6. Heat changes H2O to steam. ______
7. Baking soda reacts to vinegar. ______
8. Iron (Fe) rusts_____

Answer 1

Answer:

1. chemical

2. chemical

3. chemical

4. physical

5. chemical

6. physical

7. chemical

8. chemical

Answer 2

Answer:

All are correct

Explanation:

I agree with all except the first one