Question

what is litmus give two example​

Answer 1

Answer:

litmus. [ (lit-muhs) ] In chemistry, a kind of paper used to tell whether a solution is an acid or a base. Acids turn blue litmus paper red; bases turn red litmus paper blue. Other testing paper or sophisticated instruments can be used to measure the pH of a solution more precisely.

Answer 2

Answer:

Hydrangea and petal of petunia