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Chemistry

Chemistry
White phosphorus is always kept under

Ether
Kerosene
Water
Benzene

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Chemistry
Gobar gas contains mainly :

Methane
Ethylene
Acetylene
Propylene

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Chemistry
What is used in storage batteries?

Zinc
Tin
Copper
Lead

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Chemistry
Percentage of lead in lead pencils is

80
40
31-66

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Chemistry
The 'solid waste' is also known as

Toxic waste
Scrubber
Sludge
Sedge

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Chemistry
Aluminium can be purified by

Ozonolysis
Distillation
Electrolysis
Oxidation

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MORE MCQ ON Chemistry

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