MissCharmyy
Answered

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19. Why are cooking utensils made up of metal but the handles are made of plastic?
A. Metal is hard while plastic is soft.
B. Metal is expensive but plastic is cheaper.
C. Metal is not brittle while plastic is brittle.
D. Metal is a good conductor of heat while plastic is a poor conductor of heat.
20. Which of the following consists of objects that are good conductors of heat?
A. steel, paper towel, paper
B. gold, pencil, tape
C. iron wire, thumb tacks, steel ruler
D. aluminum cup, wood, cloth
21. What is the difference between a conductor and an insulator?
A. an insulator is durable, while a conductor is not.
B. an insulator allows heat to flow through it easily while a conductor does not
C. a conductor is durable, while an insulator is not.
D. a conductor allows heat to flow through it easily while an insulator does not
22. Which of the following is a good conductor?
A. cloth
B. metal
C. plastic
D. wood
23. All of the following statements are correct, EXCEPT one. Which one is it?
A. Metals are non-ductile while non-metals are ductile.
B. Metals are opaque while non-metals are transparent.
C. Metals are lustrous while non-metals are not lustrous.
D. Metals are good conductors of heat and electricity while non-metals are poor conductors of heat and electricity

Sagot :

MissyAyrelleee

Answer:

19. D.

20. C.

21. D.

22. B.

23. D.

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Answer:

19.d 20.c 21.d 22.b 23.b

Explanation:

tamang answer pa brainliest po

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