Cara-cara menentukan kadar tindakbalas ialah..
Methods to determine rate of reactions are..
Kadar Tindakbalas
Quiz
•
Chemistry
•
5th Grade
•
Hard
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
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
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).
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?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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