JEE Main 8 Jan 2020 Shift 1 Solved Paper

Section: Chemistry

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Question : 45 of 75

Marks: +1, -0

When gypsum is heated to 393 K, it forms :

[8 Jan 2020 Shift 1]

Dead burnt plaster
Anhydrous CaSO4
CaSO4.5H2O
CaSO4.0.5H2O

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