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Chemistry

Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Cu
Ni
Pt
Pb

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Chemistry
Percentage of lead in lead pencils is

80
40
31-66

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Chemistry
Iodine can be separated from a mixture of Iodine and Potassium Chloride by

Filtration
Distillation
Sublimation
Sedimentation

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Chemistry
Which of the following acids serves as an electrolyte in a lead storage battery?

Hydrochloric acid
Sulphuric acid
Nitric acid
Lactic acid

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Chemistry
Heavy metal pollution of water is caused by:

Acid Plants
Wood burning
Paints
Domestic sewage

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Chemistry
Which is the purest commercial form of iron ?

Steel
Stainless steel
Pig iron
Wrought iron

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MORE MCQ ON Chemistry

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