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Chemical Process

Chemical Process
Trinitrotoluene (TNT), an explosive, is made by the nitration of

Toluene
Nitrobenzene
Benzene
Nitrotoluene

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Chemical Process
Coal tar is used as a

Fuel in rotary kiln
All of these
Binder in making carbon electrodes
Binding material for coal briquettes

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Chemical Process
Which of the following is not required in the manufacture of soda ash by Solvay process?

Ammonia
None of these
Nitric acid
Limestone

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Chemical Process
Permanent hardness of water is due to the presence of calcium & magnesium

None of these
Carbonate
Sulphates & chlorides
Bi-carbonates

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Chemical Process
Kaoline is a/an

Synthetic resin
Refractory material
Blue pigment
Artificial abrasive

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Chemical Process
Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

Non-availability of high purity mercury
High specific gravity of mercury
High cost of mercury
Pollution of water stream by mercury

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