Kadar Tindakbalas

Kadar Tindakbalas

5th Grade

21 Qs

quiz-placeholder

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Kadar Tindakbalas

Kadar Tindakbalas

Assessment

Quiz

Chemistry

5th Grade

Hard

Created by

Muhammad Zainal

Used 135+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Cara-cara menentukan kadar tindakbalas ialah..

Methods to determine rate of reactions are..

Isipadu asid berubah mengikut masa

Asid volume changes over time

Jisim bahan tindakbalas digunakan melawan selang masa yang diambil

Mass of reactants used against time intervals taken

Masa yang diambil untuk isipadu gas terhasil sepenuhnya

Time taken for a complete volume of gas produced

Jisim produk berkurangan dengan masa berjalan

Mass of products decreasing over time

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kadar tindak balas rendah bermaksud....

A low rate of reaction meaning that...

Masa tindakbalas lambat

Slow time of reaction

Masa tindakbalas pantas

Fast time of reaction

Masa tindakbalas pada masa tertentu

Time reaction on a certain time

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Kalsium karbonat bertindakbalas dengan asid hidroklorik yang cair untuk menghasilkan gas karbon dioksida. 
Berdasarkan graf yang dihasilkan, apakah kesimpulan yang boleh diberi? 

A reaction between calcium carbonate and diluted hydrochloric acid produces carbon dioxide gas.
What conclusion can given from the graph?

Kadar tindakbalas kosong pada saat ke 30
Zero rate of reaction at 30 second

Kadar tindakbalas berkurangan dengan masa
Rate of reaction decreases with time

Kadar tindakbalas meningkat ketika tindakbalas berlaku secara berterusan
Rate of reaction increase as reaction continues

Purata kadar tindakbalas ialah 1.6 cm^3 s^-1
Average rate of reaction is 1.6 cm^3 s^-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Lebihan zink dicampurkan ke dalam 100 cm3 asid sulfurik yang dicairkan. Isipadu gas H2 melawan masa diplotkan graf. Apakah yang diwakili oleh tangen X?

Excess zinc were mixed in diluted 100 cm3 sulfuric acid. A graph of volume of H2 gas was plotted. What is represented by X tangent?

Kadar tindakbalas pada 1.5 minit

Rate of reaction on 1.5 minutes

Kadar tindakbalas antara minit pertama dan minit kedua

Rate of reaction between first and second minute

Purata kadar tindakbalas dalam 1.5 minit pertama

Average rate of reaction in first 1.5 minutes

Purata kadar tindakbalas untuk eksperimen

Average rate of reaction for the experiment

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berikut adalah persamaan kimia bagi tindak balas antara kalsium karbonat dan asid hidroklorik yang cair (dalam lebihan).
 CaCO3+2HCl  CaCl2+H2O+CO2CaCO_3+2HCl\ \rightarrow\ CaCl_2+H_2O+CO_2  
Graf manakah yang menunjukkan perubahan jisim campuran tindakbalas melawan masa?
Based on the reaction between calcium carbonate and diluted hydrochloric acid (in excess), which graph shows changes of mass of reactants against time?

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Gambar rajah menunjukkan eksperimen untuk menentukan kadar tindakbalas antara natrium thiosulfat dan asid hidroklorik. Kadar tindakbalas ditentukan oleh...

Picture shows an experiment to determine rate of reaction between sodium thiosulphate and hydrochloric acid. The rate of reaction is determined by...

mengukur isipadu SO2 terhasil pada selang masa biasa

measure volume of SO2 formed on normal time intervals

mengukur kepekatan asid hidroklorik pada selang masa biasa

measure the concentration of hydrochloric acid on normal time intervals

mencatat masa sebaik sahaja tanda 'cross' hilang

record the time as the cross mark disappeared

mencatat masa sebaik sahaja pemendapan timbul

record the time as a precipitation occurs

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa yang terjadi sekira saiz bahan tindakbalas menjadi kecil?

What will happen if size of a reactant becomes small?

Meningkatkan kadar tindakbalas (masa cepat)

Increase rate of reaction (faster time taken)

Merendahkan kadar tindakbalas. (masa lambat)

Decrease rate of reaction (slower time taken)

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