1 |
Among most of the metals, gold is a: |
light metal
heavy metal
very heavy metal
very light metal
|
2 |
Affect of air, temperature and humidity on gold is: |
very frequently
very little
very rare
very slowly
|
3 |
Gold is a: |
common metal
rare metal
not common metal
Very rare metal
|
4 |
Gold is regarded as: |
valued metal
basic metal
beautiful metal
rare metal
|
5 |
Iron ore, after first stage smelting is called: |
Wrought iron
Cast iron
Pig iron
Raw iron
|
6 |
Iron ore deposits found in Kalabagh (Mianwali) are: |
Magnetite
Haematite
Limonite
Siderite
|
7 |
In haematite iron ore, iron particles content: |
Is 60-70 percent
Is up to 50 percent
Is near about 40 percent
Is up to 45 percent
|
8 |
In magnetite iron ore, iron particles percentage: |
Is up to 60 percent
Is near about 50 percent
Is up to 72.4 percent
Is about 90 percent
|
9 |
From economic point of view, iron ore is useable, which contain iron particles: |
More than 10 percent
At least 20 percent
Up to 30 percent
More than 50 percent
|
10 |
U.S.A' s largest iron ore deposits are located in: |
Alabama & Birmingham state
Lake Superior region
Western mountainous region
Alaska state
|
11 |
China's largest iron ore deposits are located: |
In Manchurian region
In Sin Kiang region
In Yangtze valley
In Se-Kiang region
|
12 |
In the world, China's position in iron ore production is: |
Not very important
Very important
Very unimportant
At third position
|
13 |
In 2001, Brazil' s iron ore production was: |
50 million metric tons
100 million metric tons
125 million metric tons
200 million metric tons
|
14 |
Brazil's largest iron ore deposits are in: |
Minas Geras
Paraba valley
Bahia
Mato Grasso
|
15 |
In the world, Australia ranks in iron ore production: |
At first position
At second position
At fifth position
At not any position
|