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Chemistry

Chemistry
Element 106 was discovered by

Seaborg
Kurchatove
Rutherford
Lawrence

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Chemistry
Cement is usually a mixture of :

Calcium silicate and calcium ferrate
Calcium aluminate and calcium ferrate
Lime stone and silicon dioxide
Calcium silicate and calcium aluminate

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Chemistry
The chemical used in embalming biological materials is

Gaseous formaldehyde
Formaldehyde in methanol
Ethylene glycol
Formaldehyde in water

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Chemistry
The rusting of iron is a/an

Physical change
Electrical change
None of these
Electrochemical change

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Chemistry
The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is

nitrogen
oxygen
carbon
hydrogen

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Chemistry
Which one of the following metals is used to galvanise iron ?

Zinc
Copper
Lead
Mercury

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MORE MCQ ON Chemistry

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