Question

Some ways to separate mixtures are listed below.
1. Boil the mixture to evaporate the water,
2. Pass a magnet over the mixture.
3. Pour the mixture through a filter paper
4. Use tweezers
A student is given a beaker containing gravel and water. Which of these ways could the student NOT
use to separate the gravel from the water?
A 1
B. 2
C. 3
D.4
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Answer 1

Answer:

option B)2

Explanation:

2) passing magnet won't separate gravel , as magnet won't attract gravel

Answer 2

Answer:

second option

Explanation:

1 If we boil the water we can remove gravel with the process called distillation.

2 if we use filter paper we can easily remove gravel

3 we can pick gravel with tweezers size their size is larger than 2 mm

4 Gravel with mostly small stones rarely has magnetic property so we can't can't separate gravel from water using magnet

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