Question

Mention two precaution to be
taken in a chemistry laboratory .​

Answer 1

An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.

Answer 2

Answer:

Precautions to be taken in the laboratory are as follows:

(1) Do not touch or taste any unknown substance.

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

(3) Do not work alone in the laboratory.

(4) Do not throw hot concentrated acids into the sink directly.

(5) to (8) in the picture

Explanation:

this is your answer!!!!!

hope it helps you if yes then please mark my answer as brainliest!!!!!