
Komposisi Air
Authored by Fatimah Zakaria
Science
2nd Grade
Used 1+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah unsur-unsur yang terdapat dalam molekul air?
A. Karbon dan oksigen
B. Hidrogen dan oksigen
C. Hidrogen dan nitrogen
D. Oksigen dan helium
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gas apakah terbentuk di katod semasa elektrolisis air?
A. Oksigen
B. Karbon dioksida
C. Hidrogen
D. Nitrogen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah bukti bahawa gas di katod ialah hidrogen?
A. Kayu uji berbara menyala
B. Kayu uji bernyala menghasilkan bunyi 'pop'
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di manakah oksigen terbentuk semasa elektrolisis air?
A. Anod
B. Katod
C. elektrolit
D. di luar sel
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah nisbah isipadu gas hidrogen kepada oksigen hasil elektrolisis air?
A. 1:2
B. 1:1
C. 3:1
D. 2:1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah pemerhatian apabila kayu uji berbara dimasukkan ke dalam gas oksigen?
A: Tiada perubahan
B. Kaju uji berbara menyala semula
C. Kayu uji berbara meletup
D. Kayu uji berbara akan padam
7.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
1. Peranan saya dalam kumpulan:
A. Kapten Misi
B. Saintis Operasi
C. Penjejak Bukti
D. Jurucakap Sains
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