1.

Assertion (A) : Elements and compounds are the examples of pure substances. Reason (R) : The properties of a compound are different from those of its constituent elements 1) Both A and R are correct and R is the correct explanation of A 2) Both A and R are correct and R is not the correct explanation of A 3) A is true and R is false 4) Both A and R are false

Answer»

2) Both A and R are correct and R is not the correct explanation of A 

Pure substances cannot further be separated by physical methods



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