VI. Write True and False for the following:
1. A compound is pure and heterogeneous.
2. Physical processes takes place to produce numerous useful
substances.
3. Copper is used to make electrical wires.
4. Respiration and combustion are two opposing forces.
5. Air is made up of 21% of Argon
6. The constituents of a mixture are not chemically combined
together.
Answers
Answered by
5
Answer:
1 true
2 false
3false
4true
5true
6true
Explanation:
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Answered by
11
- False
- False
- True
- False
- False
- True
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