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CHEMISTRY

Chemistry
Which of the following processes is used for the production of Biodiesel ?

Translation
Transamination
Transesterification
Transcription

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Chemistry
The chief source of naphthalene is

Coal-tar
Camphor
Diesel
Charcoal

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Chemistry
The gas that usually causes explosions in coal mines is

Carbon monoxide
Methane
Hydrogen
Air

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Chemistry
Submarines move under water. They have engines that run on

Batteries
Steam
Diesel
Petrol and oxygen

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Chemistry
Which is the highest quality of hard coal?

Lignite
Bituminous
Anthracite
Peat

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