Kuiz kimia bab 7 tingkatan 4

Quiz
•
Chemistry
•
12th Grade
•
Easy
WAN Moe
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, yang manakah TIDAK mempengaruhi kadar tindak balas?
Suhu
Tekanan gas
Isotop bahan tindak balas
Saiz zarah
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapakah tindak balas menjadi lebih cepat apabila suhu dinaikkan
Tenaga pengaktifan berkurang
Bilangan perlanggaran berkurang
Zarah menjadi lebih berat
Tenaga kinetik zarah meningkat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satu tindak balas menghasilkan 40 cm³ gas dalam masa 10 saat. Apakah kadar tindak balasnya??
2cm³/s
4cm³/s
0.25cm³/s
40cm³/s
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah fungsi mangkin dalam tindak balas
Mengurangkan jumlah produk
Menurunkan suhu
Meningkatkan tenaga pengaktifan
Menyediakan laluan alternatif pengaktifan lebih rendah
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Semasa tindak balas antara magnesium dan asid hidroklorik, yang manakah akan meningkatkan kadar tindak balas?
Menggunakan kepingan magnesium besar
Mencairkan asid
Menambahkan suhu
Menggunakan ais
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah antara berikut menunjukkan kadar tindak balas paling tinggi berdasarkan graf isipadu melawan masa
Graf dengan kecerunan paling landai
Graf paling tinggi selepas 2 minit
Graf mendatar sejak mula
Graf dengan kecerunan paling curam
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut yang manakah mempunyai luas permukaan yang paling besar
Sebuku batu marmar
Serbuk batu marmar
Kerikil batu marmar
Kepingan batu marmar
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