Question

1)What is the need of chemistry .
2)List any three preeautions to be taken in chemistry lab .

​

Answer 1

${\tt{\red{\underline{\underline{\huge{Answer:}}}}}}$

1. Chemistry plays a role in everyone's lives and touches almost every aspect of our existence in some way. Chemistry is essential for meeting our basic needs of food, clothing, shelter, health, energy, and clean air, water, and soil.
2. Precautions to be taken in the laboratory are as follows:

• Do not touch or taste any unknown substance.
• Use an only a small quantity of chemicals to carry out experiment.
• Do not work alone in the laboratory.
• Do not throw hot concentrated acids into the sink directly.

$══════════════════════════════$

Answer 2

Answer:

1) Chemistry is important because everything you do is chemistry! Even our body is made of chemicals. Chemical reactions occur when we breathe, eat, or just sit there reading. All matter is made of chemicals, so the importance of chemistry is that it's the study of everything.

2) Precautions to be taken in the laboratory are as follows:

Do not touch or taste any unknown substance.

Use an only a small quantity of chemicals to carry out experiment.

Do not work alone in the laboratory.

Do not throw hot concentrated acids into the sink directly.