Jisim natrium adalah 23 kali lebih besar daripada 1/12 karbon-12. Apakah jisim atom relatif bagi natrium?
KUIZ KIMIA TINGKATAN 4 (BAB 3: FORMULA DAN PERSAMAAN KIMIA)

Quiz
•
Chemistry
•
11th Grade
•
Medium
Lim CS
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A. 276
B. 23
C. 12
D. 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika jisim unsur A adalah 2 kali lebih besar daripada jisim karbon, maka jisim atom relatif bagi unsur itu ialah __________.
(Jisim atom relatif karbon = 12)
A. 12
B. 24
C. 288
D. 36
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cari jisim molekul relatif bagi karbon dioksida.
[ JAR: C = 12; O = 16 ]
A. 28
B. 30
C. 44
D. 40
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jisim molekul relatif M2SO4 ialah 142. Apakah jisim atom relatif bagi unsur M?
[JAR O:16; S:32]
A. 23
B. 54
C. 118
D. 123
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang berikut, yang manakah mengandungi 3 x6.05 x1023 atom ?
A. 1 mol gas nitrogen
B. 1 mol gas klorin
C. 1 mol gas karbon dioksida
D. 1 mol gas neon
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pilih formula yang sesuai untuk mengira bilangan mol sesuatu pepejal.
A. n=MV
B. Mol = Isipadu /isipadu molar
C. Mol = Jisim/ Jisim molar
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pilih formula yang sesuai untuk mengira bilangan mol sesuatu larutan.
A. n=MV
B. Mol = Isipadu /Isipadu molar
C. Mol = Jisim /Jisim molar
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