Question

colloids are a type of mixture. which of the following is a colloid?
shaving cream is a mixture that contains small to medium sized particles suspended in foam

salt water contains small particles that have moved so they are evenly spread through the mixture

paint is composed of many colored particles that seperate from the rest of the mixture when left in the can for a long time

concrete is a mixture that contains mortat and sand which are easy to tell apart

Answer 1

Not a.

Answer 2

not b

Answer 3

the answer is D.

Answer 4

no it was not o well thanks :)

Answer 5

D is wrong?

Answer 6

si. it is wrong random person

Answer 7

Okay.