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Chemistry

Chemistry
The next higher homologue of C6H14 is

C6H12
C7H16
C7H12
C7H14

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Chemistry
Which among the following is used to dilute oxygen in the gas cylinders used by divers ?

Helium
Argon
Krypton
Neon

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Chemistry
Which of the following is a secondary pollutant ?

CO
PAN
SO2
NO

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Chemistry
The metal present in vitamin B12 is

Mo
Fe
Co
Mg

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Chemistry
Which of the following acts as best adsorbent?

Activated Charcoal
Activated Coconut Charcoal
Carbon black
Charcoal

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Chemistry
Catalytic converters are generally made from :

Hydrogen
Alkaline metals
Transition metals
Carbon

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