Q:- 11
Do as directed
(1) Explain the usefulness of chemical changes in everyday life.
Answers
Explanation:
Examples of chemical reactions in everyday life include photosynthesis, rust, baking, digestion, combustion, chemical batteries, fermentation, and washing with soap and water. Chemical reactions occur everywhere in the world around you, not just in a chemistry lab.
Answer:
Chemical changes might bring to mind fireworks or explosions. However, some examples of chemical changes are subtle. Explore examples of chemical changes in cooking, nature, and your home. Get an understanding of the difference between physical and chemical changes
Explanation:
Not all reactions are chemical. However, if a reaction makes a new substance, then you are looking at a chemical change. For example, those fireworks covering the sky on the fourth of July are the result of a chemical change. Photosynthesis in plants is also an example of a chemical reaction. In this case, sunlight is changed into food for the plant. Typically, chemical reactions have a few tells, including:
Color changes
Releasing or absorbing of energy
Odor changes
Gas production
Chemical changes happen all around you, even in your own home. Explore some fun examples in cooking, nature, and your home.