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Chemistry

Chemistry
The sewage obtained from water closets and urinals is known as

Garbage
Industrial waste
Sullage
Sanitary waste

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Chemistry
Removal of carbon particles from air involves the principle of

Precipitation
Electrophoresis
Filteration
Sedimentation

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Chemistry
Iron is extracted from

Bauxite
Haematite
Cinnabar
Dolomite

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Chemistry
The value of gas constant R in Ergs deg–1 mole–1 is

8.314 × 107
8.341 × 107
4.183 × 107
8.413 × 107

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Chemistry
In chemical terms, what are alums used for purifying water for drinking purposes ?

Double nitrate
Nitrates of aluminium
Hydrated chlorides
Double sulphates

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Chemistry
Coal is formed from

Compressed and hardened biomass
Coke
Deposit of animal waste
Crude oil

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MORE MCQ ON Chemistry

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