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Chemistry

Chemistry
The most suitable unit for expressing nuclear radius is :

Nanometre
Angstrom
Micron
Fermi

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Chemistry
One of the constituents of tear gas is

Ethane
Chloropicrin
Ethanol
Ether

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Chemistry
Non-stick kitchenwares are coated with

PVC
Silicon
Teflon
Graphite

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Chemistry
Which one of the following gases has the highest calorific value?

Natural gas
Indane gas
Coal gas
Water gas

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Chemistry
Aquaregia is a mixture of the following in the ratio 1 : 3 by volume

Conc. HNO3 and conc. H2SO4
Conc. HCl and conc. HNO3
Conc. HNO3 and conc. HCl
Dil. HCl and dil. HNO3

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Chemistry
Which one is the naturally occuring heaviest element

Mercury
Protactinium
Thorium
Uranium

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MORE MCQ ON Chemistry

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