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Chemistry

Chemistry
A fertile soil is likely to have a pH of

14
3
9
43989

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Chemistry
At room temperature, the metal that remains liquid is:

Zinc
Lead
Mercury
Platinum

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Chemistry
Ferrous sulphate is used in water treatment as a/an

Adsorbent
Oxidizing agent
Coagulant aid
Reducing agent

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Chemistry
The gas produced in marshy places due to decomposition of vegetation is

Methane
Sulphur dioxide
Carbon monoxide
Carbon dioxide

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Chemistry
Forth floatation process to concentrate the minerals is applicable to

Chalcopyrites
Haematite
Bauxite
Calamine

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Chemistry
The manufacturing of iron from iron ore involves the process of

Fractional distillation
Reduction
Oxidation
Electrolysis

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MORE MCQ ON Chemistry

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