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Chemistry

Chemistry
Which one is a naturally occuring noble gas

Boron
Sodium
Argon
Potassium

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Chemistry
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

All listed here
Sodium Chloride
Dry ice or frozen carbon dioxide
Silver Iodide

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Chemistry
Non-stick kitchenwares are coated with

PVC
Teflon
Silicon
Graphite

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Chemistry
The acid present in red ants is

Formic acid
Acetic acid
Caproic acid
Butyric acid

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Chemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India at

Travancore coast
Gujarat coast
West Bengal coast
Orissa coast

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Chemistry
Phosphorus is kept in water because

Its critical temperature is low
Its ignition temperature is very low
Its ignition temperature is very high
Its critical temperature is high

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