SCIENCE FORM 5 CHAPTER 4

SCIENCE FORM 5 CHAPTER 4

11th Grade

10 Qs

quiz-placeholder

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SCIENCE FORM 5 CHAPTER 4

SCIENCE FORM 5 CHAPTER 4

Assessment

Quiz

Science

11th Grade

Hard

Created by

norasnita asmuni

Used 162+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Antara yang berikut, yang manakah paling tepat

menjelaskan maksud kadar tindak balas?

Which of the following best explains the meaning of

rate of reaction?

Kelajuan di mana semua bahan tindak balas

digunakan dalam masa yang diberikan

The speed at which all reactants are used up at

a given time

Perubahan dalam kuantiti bahan atau hasil

tindak balas per unit masa

Changes in the quantity of reactant or product

per unit of time

Perubahan kepekatan bahan tindak balas

per unit masa

Changes in the concentration of the reactant

per unit time

Perubahan yang dapat diperhatikan dan

diukur dengan mudah

Changes that can he easily observed and

measured

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Proses yang manakah mempunyai kadar tindak

balas yang paling tinggi?

Which process has the highest rate of reaction?

Fotosintesis

Photosynthesis

Respiration

Respiration

Pembakaran

Combustion

Rusting

Pembakaran

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Apabila magnesium bertindak balas dengan
asid hidroklorik, gas hidrogen dibebaskan.
45 cm3 gas hidrogen dibebaskan dalam masa
seminit. Berapakah kadar tindak balas purata?
When magnesium reacts with hydrochloric acid,
hydrogen gas is released. 45 cm ' of hydrogen gas is
released within a minute. What is the average rate
of reaction?

  0.45 cm3s10.45\ cm^3s^{-1}  

 0.50cm3s10.50cm^3s^{-1}  

 0.75cm3 s10.75cm^{3\ }s^{-1}  

 0.80cm3s10.80cm^3s^{-1}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Rajah 1 menunjukkan graf kuantiti hasil tindak

balas melawan masa.

Diagram I shows the graph of quantity of product

against time.

Antara A, B, C dan I), yang manakah

menunjukkan tindak balas perlahan?

Among A, B, C and D, which shows slow reaction

A

B

C

D

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mengapakah pertambahan kepekatan larutan

natrium tiosulfat akan meningkatkan kadar

pembentukan mendakan kuning?

Why does an increase in the concentration of

sodium thiosulfate solution increases the rate of

formation of yellow precipitate?

Pertambahan tenaga kinetik

Increase in kinetic energy

Mengubah kadar sesuatu tindak balas kimia

Changes the rate of chemical reaction

Pertambahan bilangan zarah bahan tindak

balas

Increase in the number of particles of reactants

Jumlah luas permukaan (JLP) yang

terdedah yang lebih besar kepada tindak

balas

Larger total exposed surface area (TSA) to

reaction

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Antara set eksperimen berikut, yang

manakah menghasilkan kadar tindak balas

yang paling tinggi apabila bertindak balas

dengan asid sulfurik berlebihan?

Which of the following sets of experiments produces

the highest rate of reaction when reacted with

excess sulphuric acid?

5 g ketulan kalsium karbonat pada suhu 30 °C

5 g of calcium carbonate granules at 30 °C

5 g ketulan kalsium karbonat pada suhu 50 °C

5 g of calcium carbonate granules at 50 °C

5 g serbuk kalsium karbonat pada suhu 30 °C

5 g of calcium carbonate powder at 30 °C

5 g serbuk kalsium karbonat pada suhu 50 °C

5 g of calcium carbonate powder at 50 °C

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Antara yang berikut, yang manakah ciri suatu

mangkin?

Which of the following is a characteristic of

catalysts?

Tidak berubah secara kimia pada akhir

tindak balas

Does not change chemically at the end of the

reaction

Kuantiti mangkin berkurangan pada akhir

tindak balas

The quantity of catalyst decreases at the end

of the reaction

Mengubah kuantiti hasil tindak balas

dalam tindak balas

Change the quantity of the product in the

reaction

Kuantiti yang sama bagi mangkin dan

bahan tindak balas diperlukan

The same quantity of catalyst and reactant is

required

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