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which one of the following is not a chemical change (a) inflating a balloon (b) burning candle (c) heating sugar (d) rusting of iron |
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Answer» Answer:(a) Inflating a balloon. Explanation: BURNING of candle is a chemical REACTION as the THREAD in the candle undergoes chemical reaction in presence of oxygen to turn into ash/sute. Heating of sugar is again a chemical reaction as sugar turns into caramel. Rusting of iron again involves chemical reaction with oxygen to turn in ferrous OXIDE. |
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