Question

Iron dash on heating​

Answer 1

Answer:

e iron atoms move more slowly after they are heated.

The iron atoms move more quickly after they are heated.

The iron atoms were not moving before they were heated, and they are not moving after being heated.

The iron atoms were moving before they were heated, and they continue to move at the same speed after being heated.

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Answer 2

Answer:

     Iron expands on heating

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