
Kadar Tindak Balas 4B

Quiz
•
Chemistry
•
12th Grade
•
Easy
aisyah amirah
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apakah maksud kadar tindak balas
Perubahan pengukuran kuanti bahan tindak balas atau hasil tindak balas per unit masa.
Jisim bahan tindak balas yang digunakan
Jumlah tenaga yang diperlukan untuk tindak balas
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Mengapa peningkatan suhu meningkatkan kadar tindak balas?
Bahan tindak balas menjadi pekat
Tenaga kinetik zarah bertambah menyebabkan perlanggaran berkesan meningkat
Jumlah luas permukaan bertambah
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apakah fungsi mangkin dalam tindak balas kimia?
Mengurangkan tenaga pengaktifan
Menambahkan suhu bahan tindak balas
Mengurangkan kepekatan bahan tindak balas
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bagaimanakah saiz permukaan yang lebih kecil (serbuk) mempengaruhi kadar tindak balas?
Jumlah luas permukaan yang terdedah kepada perlanggaran bertambah
Mengurangkan suhu tindak balas
Memperlahankan tindak balas
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apakah kesan menurunkan suhu terhadap kadar tindak balas?
Kadar tindak balas meningkat
Kadar tindak balas menurun
Zarah bertindak balas lebih cepat
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apakah yang berlaku jika tenaga zarah lebih rendah daripada tenaga pengaktifan?
Tindak balas tidak berlaku
Tindak balas menjadi lebih cepat
Produk akan terhasil lebih awal
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Faktor manakah yang akan mempercepatkan tindak balas kimia?
Mengurangkan luas permukaan
Meningkatkan tekanan gas
Menurunkan suhu
D. Mengurangkan kepekatan bahan tindak balas
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