Q&A/Class 7/Science

Apart from new products, many other things accompany a chemical change, what are those things?

Class 7CBSEScienceChapter: Physical and Chemical Changes
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Apart from new products, many other things accompany a chemical change, those things are:
  • Heat, light or any other radiation may be given off or absorbed.
  • Change in smell may take place.
  • Sound may be produced.
  • Change in colour may take place.
  • A gas may be formed

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