Question

Three test tubes A, B and C contain distilled water, an acidic solution and a basic solution respectively. When red litmus solution is used for testing these solutions, the observed colour changes respectively will be: ( ; B A-no change; B-becomes dark red; C - becomes blue (b) A-becomes light red; B - becomes blue; C - becomes red (c) A - becomes red; B - no change; C - becomes blue (d) A-becomes light red; B - becomes dark red; C - becomes blue​

Answer 1

Answer:

(a) A-no change, B-becomes dark red, C-becomes blue

Explanation:

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Answer 2

(a) A-no change; B-becomes dark red; C - becomes blue

Explanation:

• Water is a neutral liquid therefore it will not show any change in the color of paper.
• When red litmus deep into the acid solution then it turns dark blue.
• When red litmus deep into test tube C it changes its color, red to blue because red litmus turns blue in the alkaline solution.