CBSE Class 10 Science 2020 Delhi Set 1 - Question 8 | ExamSiri

CBSE Class 10 Science 2020 Delhi Set 1

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Question : 8 of 30

Marks: +1, -0

The chemical formula for plaster of Paris is :

${\CaSO}_4 ⋅ 2 {\H}_2 {\O}$
${\CaSO}_4 ⋅ {\H}_2 {\O}$
${\CaSO}_4 ⋅ \;{1}/{2} {\H}_2 {\O}$
$2 {\CaSO}_4 ⋅ {\H}_2 {\O}$

Solution:

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