How can a mixture of salt and sand be separated?A.By dissolving the salt in water and filtering out the sandB.By using a magnet to attract the sandC.By adding oil and collecting the layers of salt and sandD.By allowing the salt to evaporate
Question
How can a mixture of salt and sand be separated?A.By dissolving the salt in water and filtering out the sandB.By using a magnet to attract the sandC.By adding oil and collecting the layers of salt and sandD.By allowing the salt to evaporate
Solution
The correct answer is A. Here are the steps to separate a mixture of salt and sand:
- Add the mixture to a container with water. Salt is soluble in water, sand is not. So, the salt will dissolve into the water, leaving the sand behind.
- Stir the mixture to ensure all the salt dissolves.
- Now, you can separate the sand from the saltwater by filtering the mixture. The sand will be collected on the filter paper, while the saltwater will pass through.
- To retrieve the salt from the saltwater, you can allow the water to evaporate. The salt will be left behind.
Option
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