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Chemistry

Chemistry
Silicon is a

Semiconductor
Insulator
Conductor
Nonconductor

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Chemistry
Alum stops bleeding in minor cuts because of

Emulsion
Solvation
Dialysis
Coagulation

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Chemistry
Which of the following produces highest amount of energy upon oxidation?

Fat
An alkane
Glucose
Protein

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Chemistry
The gas that is used in the manufacture of vanaspati ghee is :

Nitrogen
Carbon dioxide
Hydrogen
Oxygen

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Chemistry
The coordination number of body centered atom in cubic structure is

8
4
10
6

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Chemistry
The property of hydrogen which distinguishes it from alkali metals is

Its non-metallic character
Its affinity for non-metal
Its electropositive character
Its reducing character

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