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Chemistry

Chemistry
Earth’s atmosphere is an envelope of gases extending to a height of

300 km
150 km
100 km
200 km

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

Neoprene
Acetylene
Isoprene
Vinyl Chloride

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Chemistry
The atmospheric gas that is mainly responsible for Green House effect :

Carbondioxide
Ozone
Oxygen
Nitrogen

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Chemistry
'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of –

Uncertainty Principle of Hiesenberg
Exclusion Principle of Pauli
Avogadro's Law
Hund's rule of maximum multiplicity

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Chemistry
The next higher homologue of C6H14 is

C6H12
C7H14
C7H12
C7H16

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Chemistry
The common name for the compound having formal NaOH is

Caustic potash
Sodium hydroxide
Soda ash
Caustic soda

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MORE MCQ ON Chemistry

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