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General Science

General Science
The group of metals Fe, Co, Ni may best called as

Rare metals
Main group metals
Alkali metals
Transition metals

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General Science
Potassium nitrate is used in

Glass
Fertilizer
Salt
Medicine

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General Science
Gypsum is added to cement clinker to

Increase the tensile strength of cement
Bind the particles of calcium silicate
Facilitate the formation of colloidal gel
Decrease the rate of setting of cement

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General Science
Nautical mile is a unit of distance used in:

Measuring the boundaries of a nation
Navigation
Astronomy
Road mile

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General Science
What are the soaps?

Esters of heavy fatty acids
Mixture of glycerol and alcohols
Salts of silicates
Sodium or potassium salts of heavier fatty acids

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General Science
Which is/are the important raw material(s) required in cement industry?

Limestone and Clay
Clay
Limestone
Gypsum and Clay

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