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Chemistry

Chemistry
The number of moles of solute present in 1 kg of a solvent is called its

normality
formality
molarity
molality

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Chemistry
Which one is the purest form of carbon

Diamond
Graphite
Iron
Coal

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Chemistry
Which of the following metals form an amalgam with other metals ?

Mercury
Lead
Zinc
Tin

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Chemistry
The gas that usually causes explosions in coal mines is

Hydrogen
Methane
Air
Carbon monoxide

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Chemistry
Chemical composition of cement is

Limestone and Gypsum
Clay and Gypsum
Limestone and Clay
Limestone, Clay and Gypsum

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Chemistry
What is the most common salt in sea water ?

Potassium chloride
Magnesium sulphate
Calcium carbonate
Sodium chloride

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MORE MCQ ON Chemistry

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