Which of the following indicates that a substance is acidic?

Turn red litmus paper blue

Turn blue litmus paper red

Have a soapy feel

Taste bitter

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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?