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Chemistry

Chemistry
The ore of Aluminium is

Bauxite
Hematite
Chalco pyrites
Fluorspar

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Chemistry
An emulsifier is an agent which

Aids the flocculation of an emulsion
Accelerates the dispersion
Homogenises an emulsion
Stabilises an emulsion

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Chemistry
Antacids are found in drugs that give relief to

Stomach ache
Headache
Acne
Eye sight

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Chemistry
Which of the following is a man-made source of air pollution ?

Automobile exhaust
Bacterial action in soil and swamp areas
Forest fire
All of these

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Chemistry
The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind?

1/4
1/6
1/8
1/3

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Chemistry
Silk fibre chemically is :

Fat
Protein
Cellulose
Carbohydrate

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MORE MCQ ON Chemistry

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