1.

(A) K_2Cr_2O_7 is used as primary standard in volumetric analysis. (R) It has a good solubility in water.

Answer»

Both (A) and (R) are TRUE and (R) is the CORRECT EXPLANATION of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is FALSE
Both (A) and (R) are false

Solution : (A) is true but (R) is false


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