Which of the following is a common indicator used to test pH?

Baking soda

Sugar solution

Litmus paper

Salt solution

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Q1.

What is the pH of a neutral solution?

Q2.

Which of the following substances is acidic?

Q3.

What color does blue litmus paper turn when dipped in an acidic solution?

Q4.

What can be inferred if red litmus paper remains red when dipped in a solution?