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Chemistry
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Non Metals and Their Compounds
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Non Metals and Their Compounds
Easy Questions
Moderate Questions
Chemistry
Nature and Composition of Substances
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Periodic classification of element
Chemistry in Every Day Life
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Hydrocarbons and Its Derivatives
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Chemistry miscellaneous
Which of the following is known as pseudo alum
K
2
SO
4
.AI
2
(SO
4
)
3
.24H
2
O
KCr(SO
4
)
2
.12H
2
O
KMn(SO
4
)
2
.12H
2
O
NH
4
Fe(SO
4
)
2
.12H
2
O
Correct Option:
A
NA
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