Bab 7 Tingkatan 4 : Kadar Tindak Balas Set 2

Bab 7 Tingkatan 4 : Kadar Tindak Balas Set 2

12th Grade

20 Qs

quiz-placeholder

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Bab 7 Tingkatan 4 : Kadar Tindak Balas Set 2

Bab 7 Tingkatan 4 : Kadar Tindak Balas Set 2

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

MUNIRAH KPM-Guru

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Jadual menunjukkan isi padu gas karbon dioksida yang terkumpul dalam suatu tindak balas.

Berapakah kadar tidak balas purata pada minit ketiga?

Table shows the volume of carbon dioxide gas collected in a reaction.

What is the average rate of reaction at the third minute?

 

0.05 cm3 s-1

0.28 cm3 s-1

0.83 cm3 s-1

3.00 cm3 s-1

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Antara bahan tindak balas berikut, yang manakah menghasilkan kadar tindak balas paling tinggi dengan serbuk zink?

Which of the following reactants produces the highest rate of reaction with zinc powder?

30 cm3 asid sulfurik 0.1 mol dm-3

30 cm3 of 0.1 mol dm-3 sulphuric acid

30 cm3 asid etanoik 0.1 mol dm-3

30 cm3 of 0.1 mol dm-3 ethanoic acid

30 cm3 asid nitrik 0.1 mol dm-3

30 cm3 of 0.1 mol dm-3 nitric acid

30 cm3 asid hidroklorik 0.1 mol dm-3

30 cm3 of 0.1 mol dm-3 hydrochloric acid

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Rajah menunjukkan graf isi padu gas karbon dioksida melawan masa bagi tindak balas antara 5 g serbuk kalsium karbonat, CaCO3 dan 50 cm3 asid hidroklorik, HC1 1.0 mol dm-3. Antara tindak balas berikut, yang manakah akan menghasilkan lengkung II?

Diagram shows a graph of volume of carbon dioxide gas against time for the reaction between 5 g calcium carbonate powder, CaCO3 and 50 cm3 of 1.0 mol dm-3 hydrochloric acid, HC1. Which of the following reaction will produce curve II?

Menambahkan beberapa titis larutan kuprum(II) sulfat

Add a few drops of copper(II) sulphate solution

5 g serbuk kalsium karbonat, CaCO3 + 50 cm3 asid hidroklorik, HC1 2.0 mol dm-3

5 g calcium carbonate powder, CaCO3 + 50 cm3 of 2.0 mol dm-3 hydrochloric acid

5 g serbuk kalsium karbonat, CaCO3 + 100 cm3 asid hidroklorik, HC1 1.0 mol dm-3

5 g calcium carbonate powder, CaCO3 + 100 cm3 of 1.0 mol dm-3 hydrochloric acid, HC1

5 g ketulan kalsium karbonat, CaCO3 + 50 cm3 asid hidroklorik, HC1 1.0 mol dm-3

5 g calcium carbonate chips, CaCO3 + 50 cm3 of 1.0 mol dm-3 hydrochloric acid, HC1

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

Rajah menunjukkan graf jumlah isipadu gas hidrogen melawan masa bagi tindak balas antara zink dengan asid hidroklorik bagi dua eksperimen.

Antara yang berikut, yang manakah betul tentang kedua-dua eksperimen?

Diagram shows the graph of total volume of hydrogen gas against time for the reaction between zinc and hydrochloric acid for two experiments.

Which of the following are correct about the two experiments?

I Mangkin digunakan dalam eksperimen R tetapi tidak digunakan dalam eksperimen S

I Catalyst is used in experiment R but not used in experiment S

II Kepekatan asid yang digunakan dalam eksperimen R adalah lebih rendah daripada asid yang digunakan dalam eksperimen S

II The concentration of acid used in experiment R is lower than the acid used in experiment S

III Serbuk zink telah digunakan dalam eksperimen R manakala kepingan zink telah digunakan dalam eksperimen S

III Zinc powder is used in experiment R whereas zinc plate is used in experiment S

IV Suhu asid adalah lebih tinggi dalam eksperimen R daripada eksperimen S

IV The temperature of acid is higher in experiment R than in experiment S

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Antara yang berikut, kaedah manakah yang betul untuk menghitungkan kadar tindak balas pada saat ketiga?

Which of the following is correct method to calculate the rate of reaction at third seconds?

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Rajah menunjukkan graf isi padu gas karbon dioksida melawan masa bagi dua eksperimen, I dan II.

Keadaan bahan tindak balas bagi kedua-dua eksperimen itu.

I Marmar berlebihan + 50 cm3 asid hidroklorik 0.5 mol dm-3

II Marmar berlebihan + X cm3 asid hidroklorik Y mol dm-3

Antara yang berikut, yang manakah adalah nilai X dan Y bagi eksperimen II?

Diagram shows a graph of volume of carbon dioxide gas against time for two experiments, I and II.

The conditions of reactants for both experiments.

I Excess marble + 50 cm3 of 0.5 mol dm-3 hydrochloric acid

II Excess marble + X cm3 of Y mol dm-3 hydrochloric acid

Which of the following are the values of X and Y for experiment II?

X : 10, Y : 0.5

X : 20, Y : 0.5

X : 20, Y : 1.0

X : 25, Y : 1.0

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Satu eksperimen telah dijalankan untuk menentukan kadar tindak balas antara logam Z dengan 200 cm3 asid X. Masa yang diambil untuk mengumpulkan 50 cm3 gas yang terbebas ialah 70 saat.

Berapakah kadar tindak balas purata bagi tindak balas itu?

An experiment was conducted to determine the rate of reaction between metal Z and 200 cm3 of acid X. Time taken to collect 50 cm3 of the gas released was 70 seconds.

What is the average rate of reaction for the reaction?

0.71 cm3 s-1

2.14 cm3 s-1

2.86 cm3 s-1

3.57 cm3 s-1

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