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# Form 3 Chemistry Paper 1 Sample Revision Questions With Answers

Explain the effect of hydrogen chloride on blue and red litmus papers when it is dissolved in water and in methylbenzene.

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while the red litmus paper remains red. This is because hydrogen chloride is polar and dissolves in water which is also polar and ionizes to produce H^+ which are responsible for the acidity of the solution. But when it is dissolved in