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MODEL PAPER 2025 — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMODEL PAPER 20253 Marks
Question
Comment on the following statements:
(i) Bee sting is treated with baking soda paste whereas wasp sting is treated with dilute vinegar.
(ii) Farmers treat soil with quicklime when tilling.
(iii) Ancient sculptures and marble structures are conserved by treating them with certain chemicals."
✓

Answer

(i) As bee sting is acidic and wasp sting is basic. (1)
(ii) To change the nature of soil to (neutral or basic). (1)
(iii) To protect sculptures from the effects of certain gases present in environment and acid rain. (1)

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