MCQ
After a chemical reaction, the total mass of reactants and products
  • A
    Is always increased
  • B
    Is always decreased
  • Is not changed
  • D
    Is always less or more

Answer

Correct option: C.
Is not changed
c
After a chemical reaction, the total mass of reactants and products do not change as law of conservation of mass states Mass is never lost or gained in chemical reactions. We say that mass is always conserved.

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