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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
Chemical change are characterised by$..........$
  • ✓
    Formation of new substance
  • B
    Release of energy
  • C
    Absorption of energy
  • D
    Reversible
✓

Answer

Correct option: A.
Formation of new substance
A chemical change is characterized by the formation of a new substance. Because during the formation of a new substance, Chemical composition changes.

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