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Chemistry

Chemistry
The gas used in the manufacture of vanaspati from vegetable oil is

carbon dioxide
oxygen
hydrogen
nitrogen

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Chemistry
The luster of a metal is due to

its high density
its high polishing
its chemical inertness
presence of free electrons

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Chemistry
Saline soil contains

None of these
High concentration of salt
Lot of moisture
Hard rocks

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Chemistry
Which one is the naturally occuring heaviest element

Uranium
Thorium
Mercury
Protactinium

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Chemistry
Which of the following is not a commercial source of energy?

Petroleum
Firewood
Natural Gas
Coal

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Chemistry
The common name of sodium bicarbonate is

Baking soda
Soda lime
Soda ash
Baking powder

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MORE MCQ ON Chemistry

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