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CHEMISTRY

Chemistry
Sea water can be purified by the process of

Fractional distillation
Filtration
Evaporation
Distillation

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Chemistry
A mixture of water and alcohol can be separated by

Decantation
Evaporation
Filtration
Distillation

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Chemistry
Which one is a naturally occuring noble gas

Argon
Potassium
Sodium
Boron

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Chemistry
Total number of naturally occurring elements

62
110
98
92

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Chemistry
The coloured discharge tubes for advertisement mainly contain

Neon
Argon
Helium
Xenon

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