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Chemistry

Chemistry
The important metal used with iron to produce stainless steel is

Aluminium
Carbon
Tin
Chromium

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Chemistry
The substance which does not expand on going from liquid state to solid state is

Cast-iron
Type metal
Water
Aluminium

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Chemistry
White phosphorus is generally kept under

Alcohol
Kerosene oil
Water
Glycerine

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Chemistry
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

liquation
leaching
magnetic separation
levigation

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Chemistry
Detergents clean surfaces on the principle of

Surface tension
Elasticity
Floatation
Viscosity

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Chemistry
When water itself combines chemically with some element or mineral it is called

Carbonation
Oxidation
Desilication
Hydration

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