Question
Which of the following is usually an indication of a chemical change?
1. Change in shape.
2. increase in volume.
3. formation in bubbles.
4. change in state of matter.
1. Change in shape.
2. increase in volume.
3. formation in bubbles.
4. change in state of matter.
Answers
GPT-4o mini
Among the options provided, the one that is usually an indication of a chemical change is:
3. formation of bubbles.
The formation of bubbles often indicates the release of a gas, which is a common sign of a chemical reaction. The other options (change in shape, increase in volume, and change in state of matter) can occur in physical changes as well.
3. formation of bubbles.
The formation of bubbles often indicates the release of a gas, which is a common sign of a chemical reaction. The other options (change in shape, increase in volume, and change in state of matter) can occur in physical changes as well.