Classify these mixtures as colloids, suspensions, or true solutions.

fog, milk of magnesia, mayonnaise, blood, table salt in water, dust-free air

I got fog, milk of magnesia, mayonnaise for colloids.
Blood for suspensions.
Table salt in water and dust-free air for true solutions.

It said I got it incorrect. Someone help me with this problem?

1 answer

Can someone help me?