Question # 1

Blast furnace usually used for the metallurgy of.

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Iron

Copper

Aluminum

Both a and b

Chalco-Pyrite is an ore of:

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Copper

Silver

Iron

Aluminium

Chalco-pyite is an ore of:

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iron

aluminium

silver

copper

Which contains sufficient amount of metal?

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Mineral

Ores

Rocks

Soil

Imperial chemical industries was established in.

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1942

1944

1950

1990

Raw materials used in Solvay's process.

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Brine

Lime stone

Ammonia gas

All

In the bessemerization process.

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Roasted ore is beated.

Molten matte is removed.

Molten matte is heated

Molten matte is added

Formula of Urea is.

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KCNO

H₂N-CO-NH₂

HN-CO₂-NH

H₃N-CO-NH₃

The number of carbon atoms present in diesel oil.

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10-15

11-15

12-15

13-15

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%

The number of carbon atoms present in petroleum gas.

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1-2

1-3

1-4

1-5

The elements that do not conduct heat and electricity are called.

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Metallurgy

Non metal

Metalloid

Alloy

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