Question

Plsss helppppppp plsssssss guysssss

Answer 1

I think this three:

1. A. Sugar is heated until it turns into a brown caramel sauce.
2. C. Two unknown liquids are mixed together and a gas is produced.

Step-by-step explanation:

I said (A) because :

• heating sugar results to caramalization.
• and in a chemical reaction, a substance forms a new substance with different properties (caramel).

I said (C) because :

• same because it formed a new substance.

I didn't choose (B) because :

• when it is cut, only its appearance changes but its chemical composition and chemical nature doesn't change.

Answer 2

During a chemical change, substances are changed into different substances. Another words, the composition of the substance changes.
So , I think u chose the right ones