6. The eggplant/apple in the experiment turned its color from white to brownish. Which statement is NOT TRUE?

A. The presence of oxygen caused change in its color.

B. The absence of oxygen caused change in its color.

C. The color of an apple/eggplant changed when it is exposed to oxygen in the air. *

D. There is oxidation that happened when apple/eggplant was sliced and exposed in the air.

7. Water is the primary cause of rust because water contains

A. Oxygen

C. carbon

B. Chloride

D. hydrogen

8. Joram noticed that when he mopped the floor using wet rugs, the moist in the floor disappeared after few minutes. What is the reason why the floor became dry?

A. presence of heat

C. presence of water

B. absence of heat

D. absence of temperature

9. When physical change in materials happened, there is

I. formation of new product or material

II. no formation of new product or material

III. formation of new shape

IV. formation of new color

A. I, III and IV

C. III and IV

B. II only

D. II, III and IV

10.Hannah observed that the left over foods on the table became watery, spoiled and had foul odor after 48 hours. What caused this change in the material?

I. presence of heat

III. presence of oxygen

II. absence of heat

IV. absence of oxygen

A. I and II C. I and III B. II and III D. II and IV




Pasagot po ng maayos bukas napo kac pasahan Thank you ​