extraction of iron
Authored by abhilasha Panwar
Chemistry
10th Grade
NGSS covered
Used 356+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which gas is produced as a waste product when iron is extracted from its ore in the blast furnace?
Carbon dioxide
Hydrogen
Nitrogen
Oxygen
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the blast furnace, limestone is added to...
Create more heat
Turn iron oxide into pure iron
Remove acidic impurities
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hot gases are released from the blast furnace at the...
Bottom of the furnace
Top of the furnace
Middle of the furnace
No hot gases are released
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the blast furnace, Hot air is added to the...
Top of the furnace
Middle of the furnace
Bottom of the furnace
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How would you best extract iron from haematite (iron ore)?
reduction by carbon
electrolysis
decomposition
oxidation
Tags
NGSS.MS-PS1-4
NGSS.MS-PS1-5
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