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Chemistry

Chemistry
Which one of the following does not contain Silver ?

German Silver
Horn Silver
Lunar Caustic
Ruby Silver

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Chemistry
Cement is usually a mixture of :

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

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Chemistry
The Refrigerant 'FREON' is

Calcium Tetra Fluoride
Difluoro Dichloro Methane
Fluorspar and Felspar
Hydrofluosilicic Acid

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Chemistry
What is 'milk of magnesia' chemically?

Calcium hydroxide
Sodium bicarbonate
Magnesium carbonate
Magnesium hydroxide

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Chemistry
The fiber least prone to catch fire is

Nylon
Terylene
Cotton
Polyester

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Chemistry
The chemical substance present in bones and teeth is

Calcium borate
Calcium chloride
Calcium phosphate
Calcium sulphate

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MORE MCQ ON Chemistry

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