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Class 11ChemistrySome Basic Concepts of ChemistryLaws of chemical combination
Easy

After a chemical reaction,the total mass of reactants and products

  • A
    Is always increased
  • B
    Is always decreased
  • C
    Is not changed
  • D
    Is always less or more
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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Some Basic Concepts of Chemistry

Subtopic

Laws of chemical combination

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