
Kuiz Sambutan hari mol 2024 (SMK Puchong)

Quiz
•
Chemistry
•
10th Grade
•
Medium
Azira Abdullah
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapakah jisim fosforus yang mangandungi dua kali ganda bilangan atom yang terdapat dalam 14 g ferum?
[Jisim atom relatif : P =31; Fe = 56]
62.0 g
28.0 g
15.5 g
10.7 g
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
K4Fe(CN)6.3H2O
Rajah di atas menunjukkan formula kimia bagi kalium heksasianoferat(III) trihidrat. Apakah jisim relatif sebatian ini?
[Jisim atom relatif : H =1; C= 12; N= 14; O= 16; K= 39; Fe = 56]
141
256
389
422
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.16 g unsur W bertindak balas dengan 1.92 g oksigen untuk membentuk oksida logam W. Formula empirik bagi oksida logam ini ialah W2O3. Berapakah jisim atom relatif W?
[Jisim atom relatif : O = 16]
27
52
56
104
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan kimia berikut menunjukkan pemanasan magnesium sulfat terhidrat, MgSO4.7H2O.
MgSO4.7H2O (p) → MgSO4 (p) + 7H2O (g)
Berapakah bilangan mol wap air yang terbebas apabila 54 g magnesium sulfat dihasilkan semasa pemanasan magnesium sulfat terhidrat?
[Jisim atom relatif : Mg = 24; S = 32; O = 16]
0.45 mol
3.15 mol
4.50 mol
6.30 mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara pernyataan berikut, yang manakah benar bagi satu mol bahan?
1 mol magnesium mengandungi 6.02×10^23 molekul
1 mol gas nitrogen mengandungi 6.02×10^23 atom
1 mol air mengandungi bilangan atom yang sama dengan bilangan atom dalam 12 g karbon-12
1 mol karbon dioksida mengandungi bilangan molekul yang sama dengan bilangan atom dalam 12 g karbon-12
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jisim molekul relatif bagi M2(SO4)3 ialah 342.
Berapakah jisim atom relatif bagi unsur M?
[Jisim atom relatif: O = 16, S = 32]
27
54
118
123
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0.58 g bahan perisa digunakan untuk memperbaik rasa sebiji kek nanas. Berapakah bilangan molekul bahan perisa itu?
[Jisim molekul relatif bahan perisa = 116 g mol-1 ; Pemalar Avogadro = 6.02 × 1023 mol-1 ]
8.31 × 10-27
3.32 × 10-22
3.01 × 1021
1.20 × 1026
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