4.1 Air Flashcards

1
Q

macam mana nak kenal sebatian organik

A

mempunyai unsur karbon

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2
Q

apa maksud molekul berkutub

A

mempunyai caj positif dan negatif

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3
Q

sifat air

A
  1. kekutuban air
    - ikatan hidrogen
    - pelarut semesta
  2. daya lekatan dan lekitan air
  3. muatan haba tentu tinggi
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4
Q

kepentingan daya lekatan dan lekitan

A
  • menyebabkan tindakan kapilari
  • molekul air dapat bergerak dalam salur xilem yg sempit
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5
Q

kepentingan muatan haba tentu tinggi

A
  • mengekalkan suhu badan organisma
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