Question

three liquids are given to you . one is hydrochloric acid and sodium hydroxide and another is a sugar solution .how will you identify them you have only china rose as indicator.



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Answer 1

Answer:

it will turn green in sodium hydroxide and pink in hydrochloric acid and it will show no colour change in sugar solution

Answer 2

Answer:

On adding china rose to the three liquids we will observe the following:

Hydrochloric acid solution- Liquid becomes magenta or pink

Sodium hydroxide- Liquid becomes green

Sugar solution- Remains same

Explanation:

China rose becomes

• magenta in acid

• green in base

• same colour in neutral liquids

Thus,

HCl is acidic

NaOH is basic

Sugar solution is neutral

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