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DELLESIN425793150009IN
Answered

1. If you form a mixture of iron filings and sawdust. How can you separate them?
A. by sifting
B. by picking
C. by dissolving
D. by using magnet
2. Which of the following would you use to separate flour from iron filings?
A. a bar magnet
B. filter paper
C. sand paper
D. distillation
3. Which materials can be separated by the use of magnet?

A. oil and water
B. salt and water
C. iron filings and sulfur
D. marble and stone
4. When a piece of magnet is placed over the mixture of iron filings and sulfur the iron filings move about and separated from the sulfur what may cause this movement?

A. the iron filings are attracted to the magnet
B. the sulfur powder is attracted to the magnet
C. the sulfur powder pushes the iron filings
D. none of them is attracted to the magnet
5. If John wants to get the clips out of some sand. What could he use to separate them?

A. evaporation
B. magnet
C. decantation
D. filtration

Sagot :

LAURINOJOHNAIN

Answer:

1.)A.

2.)A.

3.)C.

4.)D.

5.)B

DIAZANGELMAE934IN

Answer:

1. D. By using magnet

2. A. A bar magnet

3. C. Iron fillings and sulfur

4. B. The sulfur powder is attracted to the magnet

5. B. Magnet

Explanation:

2.The mixture of flour and Iron fillings can be separated by using magnet. The Iron fillings will get attracted to the magnet and separated from flour.

3.Mixtures containing substances that are attracted by magnets can be separated using a magnet. We can separate iron from a mixture of sand and iron, as only the iron is attracted to the magnet.

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