Pa answer po ng maayos brailess ko po yung honest
1. What are the two classification of mixture? *
d. none of the above
b. homogeneous mixture and heterogeneous mixture
c. element and compound
a. metal and non-metal
2. Which of the following is not an example of mixture? *
a. cookies
b. water
c. alloys
d. salt solution
3. Which of the following is an example of heterogeneous mixture? *
a. nail polish
b. sea water
d. blood
c. fruit salad
4. Which of the following is not an example of homogeneous mixture? *
a. brass
b. brine
c. bronze
d. sandwich
5. What mixtures were represented in the picture? *

a. elements and compound
b. atoms and molecule
c. homogeneous and heterogeneous mixture
d. metal and non-metal

Option 6
6. What do you call the simple separation technique that uses a centrifuge instrument? *
a. centrifugation
b. decantation
c. evaporation
d. filtration
7. It is a simple separation technique best used when you have a solid component that dissolves in a liquid component and another solid component which does not mix with liquid part. *
a. centrifugation
b. decantation
c. evaporation
d. filtration
8. A homogeneous mixture can be separated by all of the following methods except *
a. decantation
b. evaporation
c. distillation
d. manual handpicking
9. Which of the following separation technique that can separate the mixture of sand and iron fillings? *
a. evaporation
b. filtration
c. use of magnets
d. manual handpicking
10. Which of the following best separation technique suited for salt solution? *
a. manual handpicking
b. use of magnets
c. filtration
d. evaporation
II. TRUE OR FALSE (10 points)
Choose the best answer TRUE or FALSE ( 10 pts.)
1. A pure substance differs from a mixture in that a pure substance always hasdefinite composition. *
a. True
b. False
2. A homogeneous mixture has the same properties throughout the sample. *
a. True
b. False
3. A heterogeneous mixture is also called a solution. *
a. True
b. False
4. A heterogeneous mixture is consists of two or more phases that differ in properties. *
a. True
b. False
5. A mixtures can have variable compositions of compound. *
a. True
b. False
III. IDENTIFICATION (5 points)
Identify which of the following mixtures is a homogeneous mixture or
heterogeneous mixture. choose your answer below.
1. Clean air *
a. Homogeneous mixture
b. Heterogenous mixture
2. A mixture of ice and water in a glass *
a. Homogeneous mixture
b. Heterogenous mixture
3. A mixture of different fruits in a bowl *
a. Homogeneous mixture
b. Heterogenous mixture
4. Brass *
a. Homogeneous mixture
b. Heterogenous mixture
5. Sea water *
a. Homogeneous mixture
b. Heterogenous mixture