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Chemistry

Chemistry
What is the mass percentage of carbon in carbon dioxide (CO2)

0.273
0.323
0.201
0.158

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Chemistry
Galvanization is the :

Deposition of tin on iron
Deposition of aluminium on iron
Deposition of zinc on iron
Deposition of copper on iron

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Chemistry
Tetra ethyle lead (TEL) is

A catalyst in burning fossil fuel
A reductant
An antioxidant
An antiknock compound

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Chemistry
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

Sodium Chloride
All listed here
Silver Iodide
Dry ice or frozen carbon dioxide

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Chemistry
Water gas is the combination of

CO2 and CO
CO2and H2
CO and H2
CO and H2O

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Chemistry
The chemical used in developing photographic films is

Silver bromide
Hypo
Sodium sulphate
Hydroquinone

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MORE MCQ ON Chemistry

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