KIMIA T4 KSSM BAB 3 (FORMULA EMPIRIK DAN FORMULA MOLEKUL)
Quiz
•
Chemistry
•
10th - 11th Grade
•
Practice Problem
•
Medium
Diana Azman
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Apakah yang dimaksudkan dengan formula molekul?
nisbah sebenar atom setiap unsur dalam satu sebatian
Formula kimia yang menunjukkan bilangan sebenar atom setiap jenis unsur dalam sesuatu sebatian
Formula kimia yang menunjukkan nisbah bilangan sebenar atom setiap jenis unsur dalam satu molekul
bilangan sebenar atom setiap unsur dalam satu sebatian
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
C6H12O6 merupakan formula empirik atau formula molekul?
Formula empirik
Formula molekul
3.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Yang manakah antara langkah-langkah yang diperlukan untuk membuat pengiraan di dalam jadual pengiraan formula empirik?
Menetapkan unsur yang terlibat
Mencari maklumat berat unsur
Mencari bilangan mol setiap unsur
Mengira nisbah mol teringkas setiap unsur
Menulis formula molekul
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1.35g aluminium berpadu dengan 0.075 mol oksigen untuk menghasilkan aluminium oksida.Apakah formula empirik aluminium oksida?
AlO
Al3O2
Al2O3
AlO2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Satu sebatian mempunyai formula empirik CH2. Jisim molekul relatifnya ialah 56. Apakah formula molekul sebatian itu? [ JAR : H=1, C=12]
C3H6
C4H8
C8H16
C2H4
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Asid etanoik mempunyai jisim molar 60gmol-1. Jika formula empiriknya ialah CH2O, tentukan formula molekul asid etanoik?
C3H6O3
C2H4O2
C4H8O4
CH4O
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Hidrokarbon terdiri daripada karbon dan hidrogen. 5.7g satu hidrokarbon mengandungi 4.8g karbon.Tentukan formula empirik bagi hidrokarbon tersebut?
CH2
C4H9
CH3
C4H8
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