Discuss whether each of the following is a mixture or a pure substance. If it is a mixture, please state if it homogeneous or heterogeneous. Please give your reasoning for each case. If it is difficult to tell, explain why.
1. Seawater.
2. Chocolate.
3. Table sugar.
4. An apple.
5. A sheet of paper
6. The spice paprika.
7. Seven Up.
Answers: 2
Chemistry, 22.06.2019 03:00, litttyyyu33411
Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?
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