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Chemistry

Chemistry
What is the principal ore of aluminium ?

Dolomite
Lignite
Bauxite
Copper

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Chemistry
Catalytic converters are generally made from :

Carbon
Alkaline metals
Transition metals
Hydrogen

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Chemistry
Which of the following is secondary air pollutant ?

Photochemical smog
Dust particles
NO2
SO2

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Chemistry
When ice cubes are made, the entropy of water

Decreases
Does not change
Increases
May either increase or decrease depending on the process used

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Chemistry
Gunpowder consits of a mixture of

Sulphur, sand and charcoal
Sand and TNT
Nitre, sulphur and charcoal
TNT and charcoal

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Chemistry
Which of the following caused radioactive pollution along the coast of Kerala ?

Thorium
Radium
Plutonium
Zinc

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MORE MCQ ON Chemistry

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