
Bab 4: Kadar Tindak Balas

Quiz
•
Science
•
3rd Grade
•
Medium
TAY Moe
Used 1+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah tindak balas cepat?
Pengaratan sudu besi
Pembakaran gas butana
Pertumbuhan kulat pada roti
Percambahan biji benih
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah contoh tindak balas perlahan?
Pembakaran bunga api
Tindak balas natrium dengan air
Fotosintesis oleh tumbuhan hijau
Pembakaran kertas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang ditakrifkan dengan kadar tindak balas?
Penghasilan gas hidrogen semasa tindak balas kimia.
Kuantiti hasil tindak balas bertambah dan kuantiti bahan tindak balas berkurang.
Perubahan kuantiti bahan tindak balas atau hasil tindak balas per unit masa.
Perubahan masa semasa tindak balas kimia.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah kadar tindak balas purata dalam 2 minit pertama?
0.25 cm3 s–1
0.50 cm3 s–1
1.50 cm3 s–1
2.00 cm3 s–1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika jisim satu tablet ialah 2 g dan masa yang diambil untuk tablet melarut ialah 40 saat, hitung kadar tindak balas yang berlaku.
20 g s–1
0.5 g s–1
0.05 g s–1
0.02 g s–1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0.3 g ketulan zink bertindak balas dengan asid hidroklorik cair berlebihan sehingga lengkap dalam masa 40 saat. Hitung kadar tindak balas bagi tindak balas ini.
0.0075 g s–1
12.0 g s–1
40.3 g s–1
133.3 g s–1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah kadar tindak balas yang berlaku?
0.02 g s–1
0.05 g s–1
2.00 g s–1
40.0 g s–1
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