Selasa, 20 Agustus 2013

chemistry questions for 9th grade test

1. what can you measure in chemistry?
2. Please mention the tools you can use in laboratory!
3. what is pure substance?
4. what are the differences of mixture and compounds?
5. please mention the technique of separation and explain one of them!
6. What are the differences of boiling and evaporation?
7. what is element?
8. Please explain the characteristics of each matter!
9. Please give 5 examples of mixture!
10. what is stated in Kinetic theory?

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