Apakah formula molekul etanol?
Haba Pembakaran

Quiz
•
Chemistry
•
8th - 12th Grade
•
Medium
ZAINAB Moe
Used 85+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C2H4OH
C2H4COOH
C2H4
C2H5OH
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah haba yang dibebaskan oleh pembakaran 1 mol metana?
394 kJ
-394kJ
+394kJ
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Haba pembakaran ialah...
Haba pembakaran ialah haba yang dibebaskan apabila satu mol bahan dibakar dengan
lengkap dalam oksigen, O2
Haba pembakaran ialah haba yang dibebaskan apabila satu bahan dibakar dengan
lengkap dalam oksigen, O2 berlebihan
Haba pembakaran ialah haba yang dibebaskan apabila satu mol bahan dibakar dengan
lengkap dalam oksigen, O2 berlebihan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Molekul alkohol mengandungi atom
C dan O sahaja
C , H dan O sahaja
C sahaja
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pembakaran alkohol juga membebaskan
tenaga, iaitu tindakbalas
pengoksidaan
endotermik
penurunan
eksotermik
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apabila bilangan atom karbon per molekul
alkohol bertambah maka pembakaran alkohol
menghasilkan lebih banyak molekul
oksigen dan air
karbon dan air
karbon dioksida dan air.
karbon monoksida dan air
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kumpulan berfungsi bagi alkohol adalah
hidroksida
hidroksil
karboksil
karboksilat
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