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Chemistry

Chemistry
The most suitable unit for expressing nuclear radius is :

Angstrom
Nanometre
Fermi
Micron

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Chemistry
Which one is the purest form of carbon

Iron
Coal
Diamond
Graphite

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Chemistry
The basic chemical building block of natural rubber obtained from trees is

Neoprene
Isoprene
Acetylene
Vinyl Chloride

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Chemistry
The liquid waste from kitchens and baths, of residences is known as :

Refuse
Domestic sewage
Sullage
Storm water

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Chemistry
Indane gas is mixture of

Methane and oxygen
Butane and propane
Butane and oxygen
Butane and hydrogen

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Chemistry
In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins?

Iron
Copper
Aluminium
Titanium

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