Classify the following changes as physical or chemical.Wood burns to ashes; water begins to boil; grass grows; a rock is crushed to powder.
A)chemical; physical; chemical; chemical
B)chemical; physical; physical; physical
C)physical; physical; chemical; physical
D)chemical; physical; chemical; physical

Question

Quizplus · Accepted Answer

- Wood burning to ashes is a chemical change.
- Water boiling is a physical change.
- Grass growing is a chemical change.
- A rock being crushed to powder is a physical change.

Classify the Following Changes as Physical or Chemical