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Which of the following is a physical and reversible change?(a) heating of iron and sulphur to form iron sulphide(b) melting of ice to form water(c) weathering of rocks(d) cooking of rice |
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Answer» Which of the following is a physical and reversible change? (a) heating of iron and sulphur to form iron sulphide (b) melting of ice to form water (c) weathering of rocks (d) cooking of rice |
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