Question

Which is an advantage of using chemical indicators?

A. They are inexpensive to use.
B. They have very limited use.
C. They require the use of electricity.
D. They change color at specific temperatures.,

Answer 1

Answer: The answer is A....... they are inexpensive to use

Explanation: got it right on Edge

Answer 2

A. They are inexpensive to use. Most of the chemical indicators are not expensive and can be used conveniently. Litmus paper is and example for chemical indicator. it is very cheap and anyone can procure it. The paper can be used to check acidic and basic nature of solvents.