Sains T5 : Bab 4 Kadar Tindak Balas
Quiz
•
Science
•
11th Grade
•
Practice Problem
•
Hard
Wan Salwanee Anuar
Used 50+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara proses berikut, yang manakah merupakan tindakbalas yang cepat?
Fotosintesis dalam tumbuhan
Pembakaran arang
Pengaratan paip besi
Penapaian beras
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah unit bagi kadar tindak balas?
kg
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apabila magnesium bertindak balas dengan asid hidroklorik, gas hidrogen dibebaskan. 45cm3 gas hidrogen dibebaskan dalam masa seminit. Berapakah kadar tindak balas purata?
0.45 cm3s-1
0.50 cm3s-1
0.75 cm3s-1
0.8 cm3s-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukkan graf isipadu gas melawan masa.
Titik manakah menunjukkan kadar tindakbalas yang paling tinggi?
S
T
U
V
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Maklumat berikut menunjukkan suatu persamaan tindak balas. Antara kaedah berikut, yang manakah paling sesuai untuk menentukan kadar tindakbalas di makmal sekolah?
Menentukan perubahan suhu larutan dengan masa
Menentukan perubahan kepekatan larutan zink klorida dengan masa
Menentukan isipadu gas hidrogen yang dibebaskan dengan masa
Menentukan perubahan kepekatan asid hidroklorik dengan masa
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mengapakah pertambahan kepekatan larutan natrium tiosulfat akan meningkatkan kadar pembentukan mendakan kuning?
Pertambahan tenaga kinetik
Mengubah kadar sesuatu tindakbalas kimia
Pertambahan bilangan zarah bahan tindakbalas
Jumlah luas permukaan yang terdedah yang lebih besar kepada tindak balas
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rajah menunjukkan suatu tindakbalas.
Tindakan manakah yang boleh meningkatkan kadar tindak balas?
Tambahkan air ke dalam asid
Guna bekas yang lebih besar
Guna kalsium karbonat yang bersaiz besar
Tingkatkan suhu asid
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