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Chemistry CBSE Live product
Class 7 (2025-26)
The World of Metals and Non-metals
Revision I - The World of Metals and Non-metals
8.
Heating of iron material
Question:
3
m.
Answer the following questions:
An ironsmith heats iron before making tools using iron materials. Why is heating necessary in this process?
i.
Which property of iron helps it to shapen after heating?
Malleability - it allows iron to be pulled into wires
Malleability - it allows iron to produce sound on striking
Malleability - it allows iron to conduct heat
Malleability - it allows iron to be hammered into different shapes
ii.
What change occurs in the physical state of iron on heating?
It evaporates into gas
It remains solid
It burns into ash
It melts into liquid
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