KADAR TINDAK BALAS
Quiz
•
Chemistry
•
4th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah ialah tindak balas perlahan?
Peneutralan
Pemendakan
Pembakaran
Pengaratan
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah maksud betul bagi kadar tindak balas?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rajah di atas menunjukkan susunan radas yang digunakan untuk menentukan kadar penguraian hidrogen peroksida.
Antara graf berikut, yang manakah akan diperolehi apabila jumlah jisim kelalang dan kandungannya diplot melawan masa?
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Antara berikut, yang manakah boleh digunakan untuk mengukur kadar tindak balas?
I - isipadu gas dibebaskan
II - pembentukan mendakan
III - perubahan jisim bahan tindak balas
IV - perubahan kekonduksian elektrik
I dan III sahaja
I, II, dan III sahaja
II, III, dan IV sahaja
I, II, III dan IV
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jadual menunjukkan jumlah isi padu gas oksigen yang dikumpul pada sela masa yang sekata bagi penguraian hidrogen peroksida, . Berapakah kadar tindak balas purata dari minit kedua hingga minit keempat?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rajah menunjukkan graf isipadu gas karbon dioksida yang terbebas melawan masa apabila ketulan marmar ditindakbalaskan dengan asid hidroklorik.
Antara berikut, pernyataan manakah yang betul tentang graf tersebut?
Kadar tindak balas purata keseluruhan ialah
Tindak balas lengkap pada saat
Kadar tindak balas pada saat lebih tinggi dari saat
Kadar tindak balas pada saat ialah
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tindak balas antara asid hidroklorik dengan kalsium karbonat menghasilkan gas karbon dioksida. Tindak balas lengkap dalam masa 50 saat dan isi padu maksimum gas ialah . Berapakah kadar tindak balas purata?
0.5
1.0
2.0
4.0
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