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Question
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Solution
| Solids | Liquids | Gases |
| Common salt | Milk | Oxygen |
| Wax | Mercury | Water vapour |
| Stone | Blood | Carbon dioxide |
| Sugar | Coconut oil | |
| Coal | Kerosene | |
| Butter | ||
| Copper |
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