Have you observed such type of other chemical reactions in kitchen give two examples.​

Rising bread and Mixing Baking Soda and Vinegar

Explanation:

Rising Bread

Bread rising is exciting, right? Not so much! However, not all chemical changes are exciting. While not thrilling, the yeast causing the bread to rise is a chemical change. Why? Well, yeast breaks the starches in the bread dough down into sugars, and those sugars metabolize into carbon dioxide and ethanol. The carbon dioxide makes the bread rise.

Mixing Baking Soda and Vinegar

If you mix an acid, such as vinegar, with a base, like baking soda, you’ll get a chemical reaction. In this case, it starts to bubble. This is a great way to create a homemade volcano.

Baking soda and vinegar, used to clean surfaces. (It foams us and makes a fizzy-like solution)

Soap and water, to clean as well.

Air bubbles from baking soda in dough.

Mixing salt and ice to drop the temperature of ice lower.

Explanation:9

4 examples since I'm not sure what you've observed in your assignment. (I've only listed simple ones because they're daily chemical reactions that you might see everyday.)

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds