Question # 1

Imperial chemical industries was established in.

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1942

1944

1950

1990

Catalyst used in Haber's process is:

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Ni

Fe

Cu

Zn

Petroleum fraction having composition C₅ to C₇ is.

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Petroleum Gas

Petroleum Ether

Kerosine oil

Gasoline or petrol

How many % age of urea is used as fertilizers?

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80%

90%

95%

98%

Concentration of copper are is carried out by process.

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Roasting

Forth floatation

Gravity sepration

Electrostatic separation

Sindh alkalies limited was established near Karachi in.

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1965

1966

1970

2000

How many percentage blister copper is pure?

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95%

75%

98%

100%

Ammonia is prepared by the process .

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Ostwald

Haber

Clark

All

When copper pyrite (CuFeS2) is strongly heated in excess of airit converted into mixture of:

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Cu2S + Cu2O

Cu2O +FeS

Cu2S + FeS

FeO + SO2 + Cu2S

When crude oil is heated in the fractionating tower:

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Vapour of higher boiling point fraction condense first in the lower part of the tower.

Vapours of lower boiling point fraction condense first in the lower part of tower.

Vapour of higher boiling point condense lather in the upper part of tower.

Vapours of higher boiling point never condense.

In the bessemerization process.

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Roasted ore is beated.

Molten matte is removed.

Molten matte is heated

Molten matte is added

The number of carbon atoms present in gasoline or petrol.

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5-10

6-10

7-10

8-10

Which one of the following is manufactured by Solvar's process:

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caustic soda

washing soda

urea

sulphuric acid

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