You are given three unlabelled bottles A,B and C , containing colourless solutions , such that one of them is acid , the other basic and the third neutral. How will you distinguish between them by using china rose as an indicator.
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Explanation:
These solutions are basic in nature. * We will notice that pink colour of china rose solution changes to deep pink colour in case of aerated water, lemon juice, hydrochloric acid and nitric acid. These solutions are acidic in character.
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Explanation:
Chemical indicator, any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. An example is the substance called methyl yellow, which imparts a yellow colour to an alkaline solution
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