how can u say these are chemical changes ? give one example for your answer: a) burning of candle .b)milk sours in hot ...
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Hey frnd.
Chemical changes means after reacting substance it cannot be changed into its original format. For eg after burning a candle it can't be changed into its original state.
Hope it helps.
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Chemical changes means after reacting substance it cannot be changed into its original format. For eg after burning a candle it can't be changed into its original state.
Hope it helps.
Please mark it as brainliest
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