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Question

A solution changes the colour of turmeric indicator from yellow to red. The solution is


A

Basic

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B

Acidic

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C

Neutral

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D

Either neutral or acidic

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Solution

The correct option is A

Basic


Explanation for the correct answer:-

Option (A) Basic

  • Turmeric is a natural indicator that helps us to identify whether a given solution is an acid, base, or neutral compound.
  • This changes colour when dipped in a solution according to the pH of that particular solution.
  • In an acidic medium the turmeric solution remains yellow, and in a basic medium, the turmeric solution changes colour to red.
  • Thus here the colour changes to red which means the solution is basic.
  • Hence it is the correct option.

Explanation for the incorrect answer:-

Option (B) Acidic

  • Here the colour of the turmeric changes to red which means the solution is basic.
  • But the option is given as red, so it can not be possible.
  • Hence it is the incorrect option.

Option (C) Neutral

  • In a neutral solution the turmeric does not change colour.
  • It only changes colour if it's in an acidic or basic medium.
  • Hence it is the incorrect option.

Option (D) Either neutral or acidic

  • Here the colour of the turmeric changes to red which means the solution is basic.
  • In a neutral solution it does not change colour and in an acidic medium, it changes to yellow.
  • Hence it is the incorrect option.

Therefore, option (A) is the correct answer.


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