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Chemical Process

Chemical Process
Concentration of sulphide ores is done usually by

Roasting
Electro magnetic separation
Froth floatation
Smelting

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Chemical Process
Caprolactum (a raw material for nylon-6 manufacture) is produced from

Naphthalene
Phenol
Pyridine
Benzene

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Chemical Process
Fusion of bauxite and __________ produces high alumina cement.

Coke
Limestone
Alum
Quartz

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Chemical Process
Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

15-30
250-300
90-100

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Chemical Process
Which of the following is a constituent of coffee?

Lignin
Calgon
Nicotine
Caffeine

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Chemical Process
Nitrogen is an essential component of

Carbohydrates
Proteins
Fats
Mineral salts

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MORE MCQ ON Chemical Process

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