Question

mixture or pure substance: 1.blood 2.dyes 3.self-raising flour 4.muesli 5.copper wire 6.distilled water 7.table salt 8.milk 9.bronze 10.tea 11.oxygen 12.air

Answer 1

1. mixture
2. pure
3.mixture
4.mixture
5.pure
6.pure
7. pure
8. mixture
9. mixture
10. pure
11. pure
12. mixture