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Chemistry

Chemistry
The process which does not evolve CO2 in air is

Burning
Photosynthesis
Breathing
Organic delay

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Chemistry
The main chemical constituent of clay is

silicon oxide
aluminium silicate
zeolites
aluminium borosilicate

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Chemistry
Bridgmanite is

A bridge on the river Thames
Name of a game
Name of a music
Earth’s most abundant minera

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Chemistry
The formula C6H5-CO-CH3 represents

Phenyl acetate
Acetone
Acetophenone
Acetic acid

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Chemistry
The element with highest ionization potential is

Helium
Oxygen
Carbon
Boron

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Chemistry
Ozone saves the biosphere by absorbing high energy radiations called ________ .

Gamma rays
Ultraviolet rays (UV)
Infra-red (IR)
X–rays

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MORE MCQ ON Chemistry

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