
KEREAKTIFAN LOGAM
Authored by afidah abdulhamid
Science
10th Grade
Used 8+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rajah menunjukkan proses pengekstrakan besi dari bijih besi. Apakah tujuan menambahkan batu kapur ke dalam relau bagas?
Menyingkirkan oksigen dari bijih besi
Menyingkirkan bendasing dari besi lalu membentuk sanga
Menyokong pembakaran arang kok
Merendahkan takat lebur bijih besi
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Unsur-unsur manakah yang membentuk kalsium karbonat?
kalsium
karbon
oksigen
nitrogen
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rajah menunjukkan siri kereaktifan logam yang tidak lengkap. Apakah unsur yang mungkin bagi P,Q, R dan S?
P: Magnesium,
Q: Aluminium
R: Zink
S: Ferum
P: Aluminium
Q: Magnesium
R: Kalsium
S: Natrium
P: Magnesium,
Q: Zink
R: Aluminium
S: Ferum
P: Ferum,
Q: Zink
R: Aluminium
S: Magnesium
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rajah menunjukkan susunan radas untuk mengkaji kereaktifan logam. P, Q dan R ialah serbuk logam yang berlainan jenis. Nyatakan susunan yang betul tentang kereaktifan logam dalam tertib menurun?
Q → P → R
R → P → Q
Q → R → P
R → Q → P
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rajah menunjukkan eksperimen bagi mengkaji tindak balas logam dan oksigen. Apakah fungsi hablur kalium manganat (VII)?
membekalkan oksigen untuk tindak balas
mempercepatkan kadar tindak balas
memberi tindak balas eksotermik
mempercepatkan proses penyejukan logam
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rajah menunjukkan tindak balas antara kalsium karbonat dengan asid sulfurik. Apakah gas yang dihasilkan?
oksigen
hidrogen
karbon dioksida
sulfur dioksida
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rajah menunjukkan aktiviti pemanasan antara besi dan sulfur?Apakah sebatian yang terhasil pada akhir aktiviti?
sulfur dioksida
naftalena
besi sulfur
besi sulfida
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