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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2012

Which of the statements is not true ?

( A ) $Na_2Cr_2O7$ is preferred over $ K_2Cr_2O_7$ in volumetric analysis
( B ) $K_2Cr_2O_7$ solution becomes yellow on increasing the pH beyond 7
( C ) On passing $H_2S$ through acidified $K_2Cr_2O_7$ solution, a milky colour is observed
( D ) $K_2Cr_2O_7$ solution in acidic medium is orange

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