B. Read each item carefully and write the letter of the best answer on the blank. (5 pts.)
1. Which of the following is a colloid?
a. Milk
b. Fine sugar mixed in water
c. Flour and water
d. All of these


2. Which of the following is a solution?
A. Milk
B. Fine sugar mixed in water
C. Flour in water
D. None of these



3. Which of the following is a suspension?
a. Milk
b. Fine sugar mixed in water
c. Flour in water
d. Chalk



4. How many atom/s of oxygen is/are there in a water compound (H2O)?
A. 0
B. 1
C. 2
D. 3


5. It is a type of heterogeneous mixture whose particles show a Tyndall effect.
A.Solution
B. Suspension
C. Colloid
D. None of these​