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

1.	After a chemical reaction, the total mass of reactants and products [MP PMT 1989]
A.	Is always increased
B.	Is always decreased
C.	Is not changed
D.	Is always less or more
Answer» D. Is always less or more

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After a chemical reaction, the total mass of reactants and products [MP PMT 1989]

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