III. Multiple Choice: Choose the letter of the correct answer and write it on the space provided before the number. Write your answer in a separate sheetof
paper.

1. You are tasked to check if the liquid sample
you have is a substance or a mixture. Which among
these tests is the BEST way to do so?

|. Color comparison
II. Taste comparison
III. Boiling test
IV. Melting test

c. I, II and IV only
d. I and III only
a. I, II, III and IV
b. I, II and III only

2. A liquid has the following properties: one-phase,
colorless, boils at varying temperature. Which of the
following BEST describes the liquid?

A. Solution
C. Suspension
B. Substance
D. Coarse mixture

3. Jill has an unopened box of a 2-meter foil labeled 100% made of aluminum. Aluminum is a
substance. Jill takes just a thumb-size piece of the
aluminum foil. Which of the following statements is
TRUE about the piece of aluminum foil that Jill took
compared with the rest that was left in the box?

A. Its mass and melting behavior are different.
B. Its mass and melting behavior are the same.
C. The mass is different but the melting behavior is the​