
Konsep Mol, Formula dan Persamaan Kimia
Authored by CIKGU SITI NUR AZNELAN
Chemistry
12th Grade
Used 13+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 mol oksigen dan 1 mol metana mempunyai...
1 mol of oxygen and 1 mol of methane contain..
jisim yang sama
same mass
isi padu yang sama
same volume
bilangan atom yang sama
same number of atom
bilangan elektron valens yang sama
saame number of valence electron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah merupakan persamaan kimia yang betul?
Which of the following are correct equations?
I dan/ and II
I dan/ and III
II dan/ and IV
III dan/ and 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]
How many ions are in 0.1 mol of sodium oxide?
[Avogadro constant = 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
Apakah jisim bagi 2 500 cm3 gas karbon dioksida pada stp?
[Jisim atom relatif: C = 12, O = 16; Isi padu molar = 22.4 dm3 mol–1 pada stp]
What is the mass of 2 500 cm3 carbon dioxide gas at stp?
[ Relative atomic mass: C = 12, O = 16; molar volume = 22.4 dm3 mol–1 at stp]
4.40 g
4.62 g
4.72 g
4.91 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jadual 1 menunjukkan 4 biji belon yang mengandungi empat jenis gas yang berbeza.
Table 1 shows 4 balloons which contain 4 different gases.
Antara belon-belon tersebut, yang manakah mempunyai bilangan atom yang paling banyak?
Which of the following balloons has the higher number of atom?
Belon/ Balloon 1
Belon/ Balloon 2
Belon/ Balloon 3
Belon/ Balloon 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika formula bagi garam karbonat T ialah T2 CO3, apakah formula bagi garam T nitrat?
If the formula for carbonate salt of T is T2 CO3, what is the formula for nitrate salt of T?
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?
Molecular formula for butyl ethanoate is CH3 COOC4 H9. What is empirical formula of butyl ethanoate?
C3H6O
C3H4O
C2H4O
CH3O
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