Konsep Mol, Formula dan Persamaan Kimia

Quiz
•
Chemistry
•
1st - 3rd Grade
•
Hard
CIKGU SITI NUR AZNELAN
Used 10+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satu mol oksigen dan satu mol metana mempunyai
jisim yang sama
isi padu yang sama
bilangan atom yang sama
bilangan elektron valens yang sama
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah merupakan persamaan kimia yang betul?
I dan II
I dan III
II dan IV
III dan IV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah bilangan ion yang terdapat di dalam 0.1 mol natrium oksida?
[Pemalar Avogadro = 6.02 × 1023 mol–1]
6.02 × 10^22
1.20 × 10^23
1.81 × 10^24
18.06 × 10^24
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah jisim bagi 2 500 cm3 gas karbon dioksida pada suhu dan tekanan piawai?
[Jisim atom relatif: C = 12, O = 16; Isi padu molar = 22.4 dm3 mol–1 pada suhu dan tekanan piawai]
4.40 g
4.62 g
4.72 g
4.91 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jadual 1 menunjukkan empat biji belon yang mengandungi empat jenis gas yang berbeza.
Antara belon-belon tersebut, yang manakah mempunyai bilangan atom yang paling banyak?
Belon 1
Belon 2
Belon 3
Belon 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika formula bagi garam karbonat T ialah T2 CO3 , apakah formula bagi garam T nitrat?
TNO3
T2 NO3
T(NO3 )2
T2 (NO3 )3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula molekul bagi butil etanoat ialah CH3 COOC4 H9 . Apakah formula empirik bagi butil etanoat?
C3 H6 O
C3 H4 O
C2 H4 O
CH3 O
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