
KOMPOSISI AIR (ELEKTROLISIS)
Interactive Video
•
Science
•
7th Grade
•
Practice Problem
•
Hard
KEN ONG
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah unsur yang mendirikan molekul air?
Karbon dan Oksigen
Hidrogen and Nitrogen
Hidrogen and Oksigen
Oksigen and Karbon Dioksida
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah itu elektrolisis?
Satu proses untuk menggabungkan unsur menjadi sebatian menggunakan elektrik.
Satu proses untuk menguraikan sebatian kepada unsur-unsurnya dengan mengalirkan arus elektrik melalui larutan.
Elektrik bantu pisahkan sebatian menjadi bahagian asalnya.
Satu proses untuk menghasilkan unsur baharu daripada sebatian yang sedia ada.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah nisbah isipadu gas hidrogen kepada gas oksigen yang dihasilkan semasa elektrolisis air?
1:1
1:2
2:1
3:1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapakah asid sulfurik cair ditambah ke dalam air suling semasa elektrolisis?
Untuk menambahkan takat didih kepada air.
Untuk menjadikan air menjadi konduktor elektrik yang lebih baik.
Untuk menghalang air daripada membeku.
Untuk meneutralkan air.
5.
HOTSPOT QUESTION
1 min • 1 pt
Bahagian manakah yang terkumpul gas hidrogen?
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