1. Formula am alkohol ialah :
KUIZ KIMIA

Quiz
•
Chemistry
•
9th Grade
•
Medium
Norbaya Mat Sa'ad
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CnH2n + 1OH
CnH2n+1COOH
O
||
R - C - O - R’
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut yang manakah formula molekul bagi propanol:
C2H5OH
C3H7OH
C4H9OH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Penyediaan etanol, C2H5OH di dalam makmal menghasilkan:
etanol dan air
etanol dan karbon dioksida
etanol , karbon dioksida dan air
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 Antara berikut yang manakah benar tentang sifat-sifat fizik etanol, C2H5OH :
cecair berwarna
lebih tumpat berbanding air
takat lebur; 78 oC pada 1 atm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Etanol terbakar dengan nyalaan biru dan tanpa menghasilkan jelaga.
Benar
Salah
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara persamaan pembakaran berikut yang manakah betul:
2C3H7OH + 9O2 → 6CO2 + 8H2O
C4H9OH + 5O2 → 4CO2 + 5H2O
C6H13OH + 8O2 → 6CO2 + 7H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pendehidratan etanol menghasilkan:
etana dan air
etena dan air
ester dan air.
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