Science, asked by barkataliramban, 6 hours ago

What are chemical changes​

Answers

Answered by samhith323
0

Answer:Chemical Change usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance

Explanation:

Answered by kumbharepratiksha
0

Answer:

1. A chemical change happens when one chemical substance is transformed into one or more different substances, such as when iron becomes rust. Chemical changes occur through the process of chemical reactions, and the resulting substances have different properties because their atoms and molecules are arranged differently.

2. Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color change, formation of a precipitate, formation of a gas, odor change, temperature change.

Here are some examples of chemical changes:

1. Burning wood.

2. Souring milk.

3. Mixing acid and base.

4. Digesting food.

5. Cooking an egg.

6. Heating sugar to form caramel.

7. Baking a cake.

8. Rusting of iron.

Similar questions