Which of the following chemical reaction has the highest rate of reaction?
Antara tindak balas kimia yang berikut, yang manakah mempunyai kadar tindak balas yang tertinggi?
F5 Science Chapter 04 - Rate of Reaction
Quiz
•
Physics
•
11th Grade
•
Hard
Teacher Lim
Used 13+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following chemical reaction has the highest rate of reaction?
Antara tindak balas kimia yang berikut, yang manakah mempunyai kadar tindak balas yang tertinggi?
Rusting
Pengaratan
Photosynthesis
Fotosintesis
Respiration
Respirasi
Combustion
Pembakaran
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Diagram shows the apparatus set-up for an experiment to determine the rate of reaction. Hydrochloric acid is mixed with sodium thiosulfate solution. Which of the following statements best describes the method used to determine the rate of reaction?
Rajah menunjukkan susunan radas untuk satu eksperimen untuk menentukan kadar tindak balas. Asid hidroklorik dicampur dengan larutan natrium tiosulfat. Antara pernyataan berikut, yang manakah menerangkan kaedah yang digunakan untuk menentukan kadar tindak balas?
Decrease of mass of solution per unit time
Penurunan jisim larutan per unit masa
Increase in the volume of gas released per unit time
Peningkatan isi padu gas yang dibebaskan per unit masa
Decrease in the volume of reactant per unit time
Penurunan isi padu bahan tindak balas per unit masa
Time take for the X mark to disappeared
Masa yang diambil untuk tanda X terhilang
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What gas is released when reactive metal is added into acid?
Apakah gas yang dibebaskan apabila logam reaktif ditambahkan ke dalam asid?
Hydrogen gas
Hidrogen gas
Carbon dioxide gas
Gas karbon dioksida
Oxygen gas
Gas Oksigen
Nitrogen gas
Gas nitrogen
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What gas is released when carbonate is added into acid?
Apakah gas yang dibebaskan apabila karbonat ditambahkan ke dalam asid?
Hydrogen gas
Hidrogen gas
Carbon dioxide gas
Gas karbon dioksida
Oxygen gas
Gas Oksigen
Nitrogen gas
Gas nitrogen
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Diagram shows the reaction of metal in the air.
Which of the following is correct about the reaction?
Rajah menunjukkan tindak balas logam dalam udara. Antara yang berikut, yang manakah benar mengenai tindak balas ini?
The reactant is more than the product
Bahan tindak balas lebih banyak daripada hasil tindak balas
The product is more than the reactant
Hasil tindak balas lebih daripada bahan tindak balas
Slow reaction
Tindak balas perlahan
Fast reaction
Tindak balas cepat
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Study the following statement
Kaji pernyataan di bawah
"Charcoal flakes burn faster than charcoal chunks"
"Serpihan arang terbakar dengan lebih cepat berbanding ketulan arang"
What factors affect the above reaction rate?
Apakah faktor yang mempengaruhi kadar tindak balas di atas?
Pressure of reactants
Tekanan bahan tindak balas
Size of reactants
Saiz bahan tindak balas
Temperature of reactants
Suhu bahan tindak blas
Presence of catalyst
Kehadiran mangkin
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Table shows the total volume of hydrogen gas accumulated when zinc reacts with hydrochloric acid. Calculate the rate of reaction for the first minute.
Jadual menunjukkan jumlah isi padu gas hidrogen yang terkumpul apabila zink bertindak balas dengan asid hidroklorik. Kira kadar tindak balas pada minit yang pertama.
0.37 cm3 s-1
0.64 cm3 s-1
0.80 cm3 s-1
1.47 cm3 s-1
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