
Set 2 Ulangkaji
Authored by Su Ling Thung
Chemistry
10th - 12th Grade
Used 12+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Satu sebatian dengan formula X2SO4 mempunyai jisim formula relatif 142. Antara berikut, yang manakah merupakan jisim atom relatif untuk X?[JAR : O = 16 ; S = 32]
23
39
52
78
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Formula kimia bagi satu sebatian kompleks ialah Zn(NH3)4(OH)2. Berapakah jisim formula relatifnya?
[JAR : H = 1 ; O = 16 ; N = 14 ; Zn = 65]
99
108
125
167
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Satu sebatian mempunyai jisim molekul relatif 98. Sebatian ini ialah .....
[JAR : H = 1 ; C = 12 ; O = 16 ; Al = 27 ; S = 32]
C6H12O6
H2SO4
C4H9OH
Al2O3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jisim bagi enam atom P adalah sama dengan dua atom aluminium. Berapakah jisim atom relatif bagi P?
[JAR : Al = 27]
3
6
9
18
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Antara pernyataan berikut yang manakah benar tentang satu mol sesuatu bahan?
1 mol natrium mengandungi 6.02 X 1022 atoms
1 mol gas hidrogen mengandungi 6.02 X 1023 atom
1 mol gas oksigen mengandungi bilangan atom yang sama seperti di dalam 12 g Karbon-12
1 mol neon mengandungi bilangan atom yang sama seperti 12 g Karbon-12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut yang manakah mengandungi 6.0 X 1023 atom?
1 mol gas argon
1 mol nitrogen dioksida
1 mol gas ammonia
1 mol gas oksigen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah molekul yang terdapat dalam 1 mol gas karbon dioksida?
1.505 X 1022 molekul
6.02 x 1023 molekul
1.505 X 1024 molekul
1.505 x 1023 molekul
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