16. Rusting of iron mo
a presence of heat
b. obsence of heat
c. presence of oxygen
d. absence of oxygen
d. phy
A
17. What change takes place when a fruit starts to rot?
a. chemical
b. no change
c. physical
18. which is NOT TRUE in the statements below?
a. Burning a paper involves a presence of heat.
b. Cutting a banana in half is an example of physical change.
c. Melted candle is a form of chemical change.
d. Freezing a water is a form of physical change.
B
19. What change will happen if you slice an apple and expose it to oxy
a. Color will change from brown to white
C. The color will no
b. Color will change from white to brown
d. No changes in
20. Kimberly wiped the top of the table with a wet piece of cloth. Afte
Why does the table dry up so quickly?
a presence of heat
C. presence of water
b. absence of heat
d. absence of temperature
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Answer:
17.C 18.A 19.B 20.C
Explanation:
sana makatulong :)