Konsep mol
Quiz
•
Chemistry
•
6th Grade
•
Practice Problem
•
Hard
NORLIZA AYOB
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9 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Enam atom unsur Y mempunyai jisim yang sama dengan tiga atom tellerium, Te. Berapakah jisim atom relatif Y? [JAR Te, 128]
8
16
32
64
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah bilangan atom oksigen yang mempunyai jisim yang sama dengan dua atom magnesium? [JAR: O, 16; Mg, 24]
3
4
5
6
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berapakah bilangan ion nitrat, NO3- dalam 2 mol aluminium nitrat, Al(NO3)3? [Pemalar Avogadro: 6.02 x 1023 mol-1]
1.204 X 1024
1.806 X 1024
3.010 X 1024
3.612 X 1024
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukan sebuah silinder gas memasak.
Berapakah jumlah bilangan atom hidrogen yang terdapat di dalam silinder gas itu? [Pemalar Avogadro: 6.02 X 1023 mol-1]
1 X 6.02 X 1023
3 X 6.02 X 1023
8 X 6.02 X 1023
11 X 6.02 X 1023
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Antara bahan berikut, yang manakah mengandungi bilangan atom yang paling besar?
0.1 mol karbon
0.2 mol zink
0.3 mol gas klorin
0.4 mol gas neon
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
200 cm3 suatu gas mempunyai jisim 0.15 g pada keadaan bilik. Berapakah jisim molar gas itu? [Isi padu molar: 24 dm3 pada keadaan bilik]
18 g mol-1
30 g mol-1
50 g mol-1
150 g mol-1
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apakah peratus komposisi menurut jisim bagi atom karbon per molekul dalam heksana, C6H14? [JAR: C, 12; H, 1]
76.23 %
81.46 %
83.72 %
84.13 %
8.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
0.60 g logam Z bertindak balas dengan fluorin untuk menghasilkan 1.17 g Z fluorida. Apakah formula empirik bagi Z fluorida? [JAR: F, 19; Z, 40]
ZF
ZF2
Z2F
ZF4
9.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berapakah jisim kalsium yang terkandung dalam 1 kg kalsium karbonat, CaCO3? [JAR: C, 12; O, 16; Ca, 40]
100 g
200 g
300 g
400 g
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