Read the sentences carefully and choose the letter of the correct answer.
c. fuel
1.Fruits undergo chemical change when ripen. What does it provide us?
a.shade
b. food
2. Which of the following is a good effect of placing meat and fishes in a freezer?
a.it prevents spoilage
b. It becomes hard
c. It adds flavor
3.It happens when a new substance and different properties or products are formed.
A combustion B. decomposition C. chemical change D. physical change
4. Materials undergo
change also when heat is applied.
A combustion B. decomposition C. chemical change D. physical change
5. Melting of candle is an example of chemical change.
a. Yes
b. No
c. Maybe
6.Cutting of paper is an example of physical change.
a. Yes
b.No
c. Maybe
7.Which is the example of chemical change?
a. glass brake
b. making an ice cream
c. clay is molded into pots
8.This form of metals when expose to oxygen?
a. bubbles
b. molds
c. precipitate
d. rust
9Which of the following demonstrate chemical change?
a. New product was form
b. No new product was form
c. composition of the materials changes
d. A and C
10.This is also known as the burning process and it is supported by the oxygen?
a. combustion
b. decomposition
c. chemical change
d. physical change
Share
1. a
2. a
3. a
4. a
5. a
6. b
7. b
8. b
9. b
10. b
Answer:
A
A
B
C
D
D
B
D
C
A
Explanation:
SANA MAKATULONG