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Q 2617367289.    
JEE 1988

Assertion : To a solution of potassium chromate if a strong acid is added. it changes its colour from yellow to orange.

Reason : The colour change is due to the change in oxidation slate of potassium chromate.

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

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(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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