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Konsep Mol, Formula dan Persamaan Kimia

Authored by CIKGU SITI NUR AZNELAN

Chemistry

12th Grade

Used 13+ times

Konsep Mol, Formula dan Persamaan Kimia
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10 questions

Show all answers

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

Media Image

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

Media Image

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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