F4_Bab3_Konsep Mol,Formula dan Persamaan Kimia
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
MUHAMMAD ISMAIL
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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
[SK 3.1]
Purata jisim satu atom helium adalah 4 kali lebih besar daripada 1/12 jisim satu atom karbon-12.
Apakah jisim atom relatif bagi helium ?
2
4
24
48
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
[SK 3.1]
"Jisim molekul relatif bagi air,H2O ialah 18"
Antara pernyataan berikut,yang manakah betul ?
Jisim satu atom karbon-12 adalah 18 kali lebih berat daripada satu molekul air
Jisim molekul relatif air adalah 18 kali lebih ringan daripada 1/12 jisim atom karbon-12
Jisim molekul relatif air adalah 18 kali lebih berat daripada 1/12 jisim atom karbon-12
Jisim atom relatif air adalah 18 kali lebih berat daripada 1/12 jisim atom karbon-12
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
[SK 3.2]
Berapakah jumlah bilangan ion dalam 2.0 mol larutan natrium klorida ?
[NA = 6.02 x 1023 mol-1]
3.01 x 1023
6.02 x 1023
1.2 x 1024
2.4 x 1024
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
[SK 3.2]
Gas asetilena,C2H2 digunakan dalam proses kimpalan dan pemotongan.
Berapakah bilangan atom hidrogen yang terdapat dalam 1 mol gas asetilena,C2H2 itu?
[NA = 6.02 x 1023 mol-1]
3.01 x 1023
6.02 x 1023
1.20 x 1024
2.40 x 1024
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
[SK 3.2]
Hitung jisim 0.05 mol zink klorida yang terhasil daripada tindak balas antara zink dengan asid hidroklorik.
[Jisim atom relatif : Zn=65,Cl=35.5]
3.35 g
6.80 g
32.50 g
68.00 g
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
[SK 3.2]
3.45 g gas T menempati 1680 cm3 pada suhu dan tekanan piawai (STP).
Berapakah jisim molekul relatif bagi T?
[Isi padu molar pada STP = 22.4 dm3 mol-1]
0.046
0.075
46
75
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
[SK 3.2]
Apabila magnesium karbonat dipanaskan,gas yang terbebas menukarkan air kapur menjadi keruh.
Berapakah isi padu gas yang terbebas apabila 0.55 g magnesium karbonat dipanaskan pada STP ?
[Jisim atom relatif : C=12,O=16,Mg=24]
[Isi padu molar gas pada STP = 22.4 dm3 mol-1]
0.00655 dm3
0.0146 dm3
146 cm3
655 cm3
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