Question

What will you observe when : (a) a drop of sodium hydroxide is added to blue limited? (b) a drop of hydrochloric acid is added to china rose indicator ? (c) a drop of dilute sulphuric acid is added to red - cabbage juice​

Answer 1

Answer:

(i) It will undergo no colour change because solution of Na2SO4 in water is almost neutral.

(ii) In the acidic solution, the colour of methyl orange will change to reddish.

(iii) FeCl3 solution on reacting with water will form ferric hydroxide and hydrochloric acid. Since, the acid is strong, the solution will be acidic. Therefore, the colour of blue litmus will change to red.

Explanation:

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Answer 2

Answer:

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