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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 structure of (HPO3)3 is

Octahedral
Linear
Cyclic
Tetrahedral

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Chemistry
The pH of human blood is between :

4.5-5
6.5-7
44052
7.5-8

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Chemistry
Limestone is a raw material used by which industry?

Petrochemicals
Cement
Fertilizers
Aluminium

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Chemistry
Which is the heaviest metal among the following?

Copper
Silver
Iron
Gold

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Chemistry
Which of the following elements is obtained from sea weeds ?

Sulphur
Iodine
Argon
Vanadium

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MORE MCQ ON Chemistry

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