EAMCET Engineering 2002 Solved Paper

Section: Chemistry

Question : 95 of 200

Marks: +1, -0

Oxalic acid reacts with concentrated H2SO4 to give a mixture of two gases. When this mixture is passed through caustic potash, one of the gases is absorbed. What is the product formed by the absorbed gas with caustic potash?

K2SO4
K2HCO3
K2CO3
KOH

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