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Chemistry

Chemistry
Quartz is a crystalline form of

Silica
Alumina
Glass
Limestone

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Chemistry
In an oxygen molecule, two atoms are united by

Three bonds
One bond
Four bonds
Two bonds

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Chemistry
Lead in water can cause

Eye disease
Arthritis
Kidney damage
Hair falling

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Chemistry
The compounds formed when hydrogen combines with p-block elements are called

Ionic hydrides
Metallic hydrides
Molecular hydrides
Polynuclear hydrides

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Chemistry
Piped Natural Gas (PNG) is used for

Welding
Anaesthesia
Cooking
Mining

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Chemistry
Which among the following elements is found in maximum percentage in the human body ?

Oxyzen
Carbon
Nitrozen
Hydrogen

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MORE MCQ ON Chemistry

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