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Chemistry

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

300 km
100 km
150 km
200 km

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Chemistry
Find the odd one:

Slaked lime
Limestone
Chalk
Marble

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

Translation
Transesterification
Transcription
Transamination

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Chemistry
The coordination number of body centered atom in cubic structure is

4
8
10
6

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Chemistry
Trinitrotoluene is

Used as an explosive
Used to melt metals
Used to fuse two metals
Used as an abrasive

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Chemistry
The advantage of detergents over soaps is

Detergents are soluble in water
Soaps give lather with only soft water
Detergents give lather even with hard water
Detergents could not give much lather

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