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Chemistry

Chemistry
In which of the following states maximum iron ore is found ?

Fe3O4
Fe2O3
FeS2
FeCO3

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Chemistry
Which of the following methods is used in determining the number average molar mass of a macromolecule

Light scattering
Viscosity
Osmotic pressure
Sedimentation equilibrium

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Chemistry
The manufacture of iron from iron ore involves the process of

Electrolysis
Oxidation
Fractional distillation
Reduction

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Chemistry
Aluminium can be purified by

Distillation
Electrolysis
Ozonolysis
Oxidation

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Chemistry
An element of atomic no. 29 belongs to

P-block
S-block
D-block
F-block

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Chemistry
What is the second largest component in milk ?

Water
Sugar
Minerals
Fat

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