3. When iron is heated it
a) Contracts b) expands c) dissolves d) evaporates
Answers
Answered by
1
Answer:
the answer will be expands
Answered by
2
Answer:
The substance which contracts on heating is
A
Silica glass
B
Iron
C
Invar steel
D
Aluminum
ANSWER
Some material like silica glass exhibit negative thermal expansion which makes them contract on heating.
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