Kadar Tindak Balas Kimia

Quiz
•
Chemistry
•
9th - 12th Grade
•
Easy
ANIS GHAZALI
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Antara berikut, yang manakah tidak mempengaruhi kadar tindak balas?
Suhu
Kepekatan
Warna bahan
Luas permukaan
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dalam tindak balas antara magnesium dan asid hidroklorik, bagaimana suhu mempengaruhi kadar tindak balas?
Menurunkan kadar tindak balas.
Meningkatkan kadar tindak balas.
Tidak mempengaruhi kadar tindak balas.
Menghentikan tindak balas.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah faktor yang meningkatkan kadar tindak balas dengan mempercepatkan perlanggaran molekul?
Suhu
Warna bahan
Tekstur bahan
Bau bahan
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah yang berlaku jika serbuk kapur digunakan dalam tindak balas dengan asid hidroklorik berbanding bongkah kapur?
Reaksi menjadi lebih lambat
Reaksi lebih cepat
Tiada perubahan
Asid bertukar warna
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Mengapa makanan disimpan dalam peti sejuk untuk mengelakkan ia cepat rosak?
Mengurangkan kadar tindak balas
Mengurangkan luas permukaan bahan
Meningkatkan tenaga kinetik molekul
Meningkatkan kepekatan udara
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Mengapakah kilang menggunakan pemangkin dalam penghasilan bahan kimia?
Mengurangkan kos tenaga
Melambatkan penghasilan produk
Menambahkan suhu
Mengurangkan kuantiti bahan mentah
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah kesan meningkatkan kepekatan bahan tindak balas terhadap kadar tindak balas?
Mengurangkan masa tindak balas
Mengurangkan bilangan perlanggaran
Mengurangkan tenaga pengaktifan
Tiada kesan
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