Question

Following is a list of observations from a chemistry laboratory. Place them in the appropriate category.

Evidence of a chemical change or no evidence of a chemical change
1Water boiling
2A candle being lit
3A white cloudy substance occurs after mixing two clear solutions.
Burning toast
4Yellow and blue paints mixed together

Answer 1

1. No chemical change, it’s still just water
2. Chemical change, something is being burned
3. Chemical change, new substance is being formed after they’re mixed which is why the white cloudy substance showed up
4. Chemical change, something is being burned
5. No chemical change, it’s still just paint all you did is mix 2 colors

Hope this helps!