Question

5. A solid that expands on heating​

Answer 1

Answer:

solid, liqued, gas

Explanation:

All three states of matter (solid, liquid and gas) expand when heated. The atoms themselves do not expand, but the volume they take up does. When a solid is heated, its atoms vibrate faster about their fixed points. The relative increase in the size of solids when heated is therefore small.

Answer 2

Answer: Iron (Fe)

EXAMPLE THE effrile Tower of paris expands 7cm in the summer du to it is made of IRON and secont that it is getting heated during summer so expands

Explanation:

All three states of matter (solid, liquid and gas) expand when heated. The atoms themselves do not expand, but the volume they take up does. When a solid is heated, its atoms vibrate faster about their fixed points. The relative increase in the size of solids when heated is therefore small.