Question

What is chemical? What its benefit?​

Answer 1

DEFENATION

A chemical by definition is any substance consisting of matter; this includes solids, liquids, and gas. Chemicals can either be of a pure substance or a mixture of substances. A chemical substance such as water (H2O) is a pure chemical because it has the same molecules and combination throughout its structure.

BENEFIT

Chemicals are essential to life on Earth. Humans have developed chemicals to use for sanitation, preserving foods, treating diseases, and increasing crop yields (amount). Although many chemicals are beneficial, others are harmful to humans and other organisms.

Answer 2

Answer:

1 ) connected with chemistry; involving changes to the structure of a substance .

2 ) something that produces good or helpful results or effects or that promotes well-being .