CLASS 10 Science (Chemistry) Ch-1 Chemical Reaction and Equation | Important Questions
2 MARKS QUESTIONS Q1. Why does the colour of copper sulphate solution change when an iron nail is dipped into it? Write the balanced chemical equation for this reaction. Approach: → Think about displacement based on reactivity series — which metal replaces which? Answer: Iron is more reactive than copper. Hence, it displaces copper […]
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