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Chemistry

Chemistry
An electric iron has a heating element made of :

Zinc
Nichrome
Copper
Tungsten

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Chemistry
Which one is the lightest element in the periodic table

Helium
Oxygen
Carbon
Hydrogen

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Chemistry
Of the following compounds of calcium, the one having highest covalent character is

Cal2
CaF2
Cacl2
CaBr2

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Chemistry
Which is a natural colloid ?

Urea
Sodium chloride
Cane-sugar
Blood

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Chemistry
Which of the following is secondary air pollutant ?

Photochemical smog
Dust particles
SO2
NO2

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Chemistry
Which of the following contains high content of lead?

Coal
Low octane fuel
High octane fuel
Cooking gas

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MORE MCQ ON Chemistry

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