Question

A liquid sample turned red litmus paper blue. This indicates that the liquid sample is that of

a) An alcohol
b) Distilled water

c) Sodium hydroxide solution d) Hydro Chloric acid​

Answer 1

Using Red Litmus Paper

Red litmus paper is dipped into a solution to establish whether a substance is acidic or alkaline. In an acidic or neutral solution, red litmus paper remains red. In an alkaline solution, red litmus paper turns blue.

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Answer 2

Answer:

c) Sodium hydroxide solution

Reason:

Bases turn red litmus to blue.