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When oil and petrol spread over the water surface, which one of the following occurs?

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When oil and petrol spread over the water surface, which one of the following occurs? Answer: Sunlight penetration and oxygen mixing are prevented.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the ETEA Educational Testing and Evaluation Agency preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.