Question

Which method would be the best for separating the salts from seawater?

a. filtration with filter paper
b. gas chromatography
c. distillation
d. freezing

Which of the following is a mixture?

a. water
b. orange soda
c. methanol
d. mercury

I think the first one is c and the second one is b?

Answer 1

1) C The salt is dissolved in the water so freezing or filter paper would have no effect. Distillation makes pure water.

Answer 2

2)B the others represent molecules or in the case of mercury an element while soda is a mix of various chemicals

Answer 3

So yes, you are correct. :)

Answer 4

Thank you! :)

Answer 5

No problem!! <3