JEE Mains 24-Jan-2023 Shift 2 Solved Paper

Section: Chemistry

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Question : 50 of 90

Marks: +1, -0

K2Cr2O7 paper acidified with dilute H2SO4 turns green when exposed to

[24-Jan-2023 Shift 2]

Carbon dioxide
Sulphur trioxide
Hydrogen sulphide
Sulphur dioxide

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