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Chemistry

Chemistry
The oil used in the froth floatation process is

kerosene oil
pine oil
olive oil
coconut oil

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Chemistry
Which method will be employed to test the hardness of water?

Boiling
Formation of lather with soap
Distillation
None of these

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Chemistry
The polymerisation of which often following is used in manufacturing of polythene in industry ?

Styrene
Ethylene
Methane
Acetylene

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Chemistry
Chemical name of vinegar is

Acetic acid
Ethanol
Formaldehyde
Acetone

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Chemistry
The Refrigerant 'FREON' is

Fluorspar and Felspar
Hydrofluosilicic Acid
Calcium Tetra Fluoride
Difluoro Dichloro Methane

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Chemistry
Two moles of an ideal gas expand freely into vacuum. The work done by the gas is

2J
4J
Infinity

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MORE MCQ ON Chemistry

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