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Science TNSB Mentoring
Class 10
Periodic classification of elements
Metallurgy of copper and iron
6.
Iron occurrence
Question:
4
m.
Spot the error and choose the correct statements:
1.
Iron is the third most abundant metal after aluminium.
Iron is the second most abundant atom after aluminium.
Iron is the second most abundant metal after aluminium.
Iron is the first most abundant metal after aluminium.
Iron is the second most abundant element after aluminium.
2.
The lower region ore burns with oxygen to form \(CO_2\) when the charge comes in contact with a hot blast of air.
The lower region cake burns with oxygen to form \(CO_2\) when the charge comes in contact with a hot blast of air.
The lower region coke burns with oxygen to form \(CO_2\) when the charge comes in contact with a hot blast of air.
The lower region coke borns with oxygen to form \(CO_2\) when the charge comes in contact with a hot blast of air.
The lower region coke burns with water to form \(CO_2\) when the charge comes in contact with a hot blast of air.
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