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Chemistry

Chemistry
Cinnabar is an ore/mineral of

Mercury
Molybdenum
Lead
Manganese

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Chemistry
Which of the following contains high content of lead?

Cooking gas
High octane fuel
Coal
Low octane fuel

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Chemistry
This group of alumino-silicate minerals is widely used in making electrical insulators

Mica
Manganese
Chromite
Bauxite

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Chemistry
What are the number of moles of CO2 which contains 16 g of oxygen?

0.25 mole
0.5 mole
0.2 mole
0.4 mole

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Chemistry
The heaviest naturally occurring element is:

Thorium
Uranium
Mercury
Polonium

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Chemistry
The most commonly used bleaching agent is

chlorine
sodium chlorine
carbon dioxide
alcohol

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MORE MCQ ON Chemistry

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