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Chemistry

Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

H2SO4
HF
HCl
HNO3

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Chemistry
Cloud is a colloidal dispersion of

Water drops in a dispersion medium of air
Mist in a dispersion medium of air
Fog in a dispersion medium of water
Air in a dispersion medium of water

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Chemistry
Which of the following acts as best adsorbent?

Activated Charcoal
Charcoal
Activated Coconut Charcoal
Carbon black

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Chemistry
The gas which emits from rice field is

All of these
Nitrogen
Ethane
Methane

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Chemistry
The major constituent of gobar gas is

Methane
Isobutane
Carbon dioxide
Butane

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Chemistry
The luster of a metal is due to

its high polishing
its high density
its chemical inertness
presence of free electrons

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MORE MCQ ON Chemistry

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