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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A mixture of salts (Na2SO3 + K2Cr2O7) in a test tube is treated with dil. H2SO4 and resulting gas is passed through lime-water. Which of the following observations is correct about this test

A mixture of salts (Na2SO3 + K2Cr2O7) in a test tube is treated with dil. H2SO4 and resulting gas is passed through lime-water. Which of the following observations is correct about this test

A mixture of salts (Na2SO3 + K2Cr2O7) in a test tube is treated with dil. H2SO4 and resulting gas is passed through lime-water. Which of the following observations is correct about this test