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Chemistry

Chemistry
Which of the following will replace hydrogen from acids to form salts ?

S
P
Ag
Na

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Chemistry
Which of the following processes is used for the production of Biodiesel ?

Transcription
Transesterification
Transamination
Translation

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Chemistry
Formation of ozone hole is maximum over

Africa
Europe
India
Antarctica

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

Reduction
Fractional distillation
Oxidation
Electrolysis

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

Osmotic pressure
Sedimentation equilibrium
Light scattering
Viscosity

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Chemistry
The three elements most needed in common fertilisers are :

Calcium, Phosphorous and Potassium
Nitrogen, Potassium and Phosphorous
Sulphur, Phosphorous and Sodium
Phosphorous, Sodium and Nitrogen

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