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Chemistry

Chemistry
The hardest form of carbon is

coke
charcoal
diamond
graphite

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Chemistry
Chemically ‘Quick Silver is known as

Mercury
Silver
Copper
Aluminium

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Chemistry
Number of6.023 × 1020 atoms present in one mole of a gas at STP is

6.023 × 1023
'6.023 × 10–20
'6.023 × 10–23
6.023 × 1020

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Chemistry
Sea water can be purified by the process of

Filtration
Distillation
Evaporation
Fractional distillation

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Chemistry
Which of the following partial miscible liquid pairs has both lower and upper critical solution temperature

Water and Phenol
Glycerine and m-toluene
Aniline and n-hexane
Water and diethyl aniline

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Chemistry
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength

O+2
O-22
O2
O-2

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MORE MCQ ON Chemistry

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