Question

2. The pH value of common salt solution is 8.
3. Lime water turns red litmus blue.
4. Acids are bad conductors of electricity.​

Answer 1

your answer

Methyl orange: Methyl orange changes its colour to yellow when added to a base or an alkali.

(b) Litmus paper: Red litmus paper turns blue, whereas blue litmus paper remains blue in a base or an alkali.

(c) Red cabbage extract: Red cabbage extract turns greenish-yellow in basic solutions.

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