asked 215k views
5 votes
Which one of the following is an example of an indicator?

A. High concentration
B. Presence of H– ions in solution
C. Litmus paper
D. Electricity

2 Answers

4 votes

Answer:

Litmus Paper

Step-by-step explanation:

answered
User Vinoth Karthick
by
8.6k points
4 votes
C: Litmus Paper. Red litmus paper turns blue in acids; blue litmus paper turns red in bases
answered
User Zskdan
by
7.9k points