List three safety precautions you can take before entering the laboratory

The laboratory is full of chemicals and other hazardous substances. So, it is very important to keep all the safety precautions before entering in the laboratory to avoid any mis-happening.

Here are some precautions, which one should take before entering lab:

Before entering the laboratory one must wear all the safety equipment including gloves, goggles, apron, and others.Make sure you are not wearing any inflammable thing and you are fully covered, as in some laboratory, harmful radiation are also present. Make sure your hair are tied in properly and the shoes are covered.

b) long chain of carbon and hydrogen

c) carboxyl group

Explanation: