Class 10 Science Chapter 1 Chemical Reactions and Equations MCQs (Set 1)
Class 10 Science Chapter 1 MCQs (Set 1) | Chemical Reactions and Equations Answered: 0/50 Score: 0/50 ✓ 0 | ✗ 0 Section A: Activity & Diagram-Based Questions 1. A student performs the combustion of a magnesium ribbon as shown in the experimental setup below: Why is the magnesium ribbon rubbed with sandpaper before ignition,
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