
Kadar tindak balas
Quiz
•
Chemistry
•
1st Grade
•
Hard
Rozita Darus
Used 546+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah maksud kadar tindak balas?
Pengurangan amaun hasil tindak balas
Pengurangan amaun hasil tindak balas dengan masa
Peningkatan amaun hasil tindak balas dengan masa
Peningkatan amaun bahan tindak balas dengan masa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unit manakah yang betul untuk kadar tindak balas?
g mol-1
g min-1
mol dm-3
kJ mol-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan berikut mewakili satu tindak balas kimia.
CaCO3 + 2HCl -----> CaCl2 + CO2 + H2O
Graf manakah yang betul menunjukkan perubahan jisim bahan tindak balas yang digunakan secara berlebihan melawan masa?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, yang manakah mempunyai kadar tindak balas yang paling rendah?
Pembakaran etanol
Penapaian glukosa
Pengoksidaan magnesium
Pemendakan argentum klorida
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tindak balas manakah yang mempunyai kadar tindak balas yang paling tinggi?
Pengaratan paip besi
Fotosintesis dalam tumbuhan hijau
Pembakaran ketulan kecil arang batu dalam udara
Pembentukan stalaktik dan stalagmit dalam gua
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Persamaan kimia berikut mewakili tindak balas antara kalsium karbonat, CaCO3 dan asid hidroklorik, HCl.
CaCO3(p) + 2HCl(ak) -----> CaCl2(ak) + CO2(ak) + H2O(ce)
Perubahan manakah boleh digunakan untuk menentukan kadar tindak balas?
Jisim kalsium karbonat per unit masa
Isipadu karbon dioksida dibebaskan per unit masa
Warna larutan per unit masa
Jisim mendakan terhasil per unit masa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tindak balas antara zink, Zn dengan asid hidroklorik, HCl diwakili oleh persamaan berikut:
Zn(p) + 2HCl(ak) ------> ZnCl2(ak) + H2(g)
Seorang murid ingin menentukan kadar tindak balas itu di makmal sekolah.
Antara kaedah berikut, yang manakah yang paling sesuai?
Menentukan perubahan suhu larutan dengan masa
Menentukan perubahan kepekatan larutan zink klorida dengan masa
Menentukan isipadu gas hidrogen yang terbebas dengan masa
Menentukan perubahan kepekatan asid hidroklorik dengan masa
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