SCIENCE REVIEW
Choose the best answer.
Question 1
Which of the following mixtures could be separated using a magnet?
Red ink and blue ink
Sea water and sand
Iron filings and powdered sulfur
Question 2
Which separation technique could be used to discover whether or not red cabbage contains more than one colored substance?
Distillation
Chromatography
Decanting
Question 3
A student dissolves some salt in 1 liter of water. If the student wishes to separate this mixture and only wants to reclaim the salt, what separation technique can he use?
Filtration
Sieving
Evaporation
Question 4
The examples give are all mixtures that can be separated using decantation, EXCEPT:
Oil and water
Dirt and water
Rotten fruits and fresh fruits
Question 5
What are the three kinds of mixture?
Suspension, Solution, and Homogeneous
Solution, Suspension, and Colloids
Solution, Suspension, and Heterogeneous
Question 6
These are homogenous mixtures having two or more components uniformly distributed.
Solution
Suspension
Colloid
Question 7
It is a heterogeneous mixture with intermediate particle size between a solution and a suspension.
Question 8
A heterogenous mixture containing larger particles that settle out when left undisturbed.
Question 9
Which of the following mixture is NOT a colloid?
Whipped Cream
Gelatin
Vinegar
Question 10
Which of the following mixture is NOT a solution?
Paint
Soda
Vinegar