Question

state true or false
1. copper is an impure substance. ( true or false )
2. mixture of solute and solvent is called solution. (true or false )
3. air is a pure substance. (true or false )
4. pieces of iron and grains can be separated by the method of evaporation. (true or false )
5 . wind or blowing air is used in the method of winnowing. (true or false )


please please help me.
Please give me the answer.
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Answer 1

Answer:

1. false

2. true

3. false

4. false

5. true

Explanation:

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Answer 2

Answer:

here is your answer

1.T

2.F

3.F

4.T

5.T