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Chemistry

Chemistry
The strongest oxidizing agent among the following is:

Fluorine
Oxygen
Chlorine
Iodine

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Chemistry
The function of skimming tank in sewage treatment is to remove

Oil and fatty substances
Inorganic substances
Gritty substances
Suspended solids

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Chemistry
Commercial Vaseline is derived from

Wool wax
Coal tar
Petroleum
Plant gums

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Chemistry
Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ?

Sodium chloride
Saltpetre
Borax
Hydrogen peroxide

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Chemistry
Which of the following is the petroleum wax ?

Paraffin wax
Jojoba wax
Carnauba wax
Bees wax

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Chemistry
Air shows the property of

N2
None of these
Both A and B
O2

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