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Chemistry

Chemistry
KMnO4 can be used as

Pesticide
Insecticide
Fertilizer
Disinfectant

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Chemistry
Bleaching powder is prepared by passing :

Chlorine over slaked lime
Oxygen over slaked lime
Carbon dioxide over slaked lime
Chlorine over quick lirne

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Chemistry
Of the following compounds of calcium, the one having highest covalent character is

CaBr2
CaF2
Cal2
Cacl2

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Chemistry
Which one is a soluble salt in H2O

Zn(OH)2
CuS
PbCl2
CaCl2

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Chemistry
Total number of naturally occurring elements

110
92
62
98

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Chemistry
Epsom salt is used

In making tooth paste
In paper industry
In softening water
As purgative

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MORE MCQ ON Chemistry

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