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Chemistry

Chemistry
Which metal does not undergo corrosion due to the formation of oxide layer?

Copper
Iron
Aluminium
Zinc

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Chemistry
Which one of the following is known as the 'brown coal'?

Lignite
Coke
Bituminous
Anthracite

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Chemistry
What are the number of moles of CO2 which contains 16 g of oxygen?

0.2 mole
0.4 mole
0.25 mole
0.5 mole

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Chemistry
The most suitable unit for expressing nuclear radius is :

Nanometre
Fermi
Micron
Angstrom

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Chemistry
The chemical used in embalming biological materials is

Formaldehyde in methanol
Formaldehyde in water
Ethylene glycol
Gaseous formaldehyde

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Chemistry
Which of the following elements is not present in stainless steel?

Tungsten
Chromium
Nickel
Iron

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MORE MCQ ON Chemistry

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