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Reported Question / Answer
Q.) If the valency of both Calcium and Sulphate ion is 2, the formula of calcium sulphate will be
1)
CaSO
4
2)
CaSO
3
3)
Ca
2
SO
4
4)
Ca
2
(SO
4
)
2
5)
NULL
Answer :
1
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Human Verification : Answer 2 + 3 = ?
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