CBSE 2025 · Region 2 · Set 1 · Q16 · 1 mark
Identify from the following a group containing all non-biodegradable substances.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
DDT, Polyester, Glass
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CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.