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Science · 2023 · 2 marks
CBSE 2023 · Region 1 · Set 2 · Q24
A knife which is used to cut a fruit was immediately dipped into water containing drops of blue litmus solution. If the colour of the solution is…
A knife which is used to cut a fruit was immediately dipped into water containing drops of blue litmus solution. If the colour of the solution is changed to red, what inference can be drawn about the nature of the fruit and why ?
Marking-scheme solution
Fruit is acidic in nature because acid turns blue litmus red.
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CBSE Class 10 Science past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.