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Changes – Physical and Chemical — Science STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7ScienceChanges – Physical and Chemical2 Marks
Question
A chemical change in a substance.
✓

Answer

I will take into account the following facts.
  1. Whether a new substance is formed.
  2. Whether it is a permanent change.
  3. Whether it is a non-reversible change.

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