ST T5 BAB 4: TENAGA DAN PERUBAHAN KIMIA
Quiz
•
Other
•
9th - 12th Grade
•
Hard
MAISARAH KPM-GURU
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses fotosintesis ialah proses tumbuhan hijau untuk menghasilkan makanan. Apakah hasil daripada proses ini?
Klorofil dan gas oksigen
Glukosa dan gas oksigen
Glukosa dan gas karbon dioksida
Klorofil dan gas karbon dioksida
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 2 menunjukkan proses penyaduran logam.
Logam A ialah...
Besi
Nitrat
Kuprum
Argentum
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, manakah merupakan kegunaan proses elektrolisis dalam industri?
Pengesteran
Penyesaran
Penyaduran
Penguraian
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan berikut merupakan tindak balas antara zink dan asid hidroklorik.
Zn + 2HCl ZnCl2 + H2 H= -152kJ mol-1
Gambar rajah aras tenaga yang manakah betul bagi tindak balas yang berikut.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, yang manakah merupakan tindak balas kimia yang memerlukan cahaya?
Elektrolisis
Hidrolisis
Klorosis
Fotolisis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Serbuk magnesium, Mg ditambahkan secara berlebihan kepada 200 cm3 larutan kuprum (II) sulfat, CuSO4
0.2 mol dm-3. Didapati, suhu meningkat sebanyak 15.5 0C. Berapakah haba penyesaran kuprum?
[JAR magnesium : Mg = 24; Muatan haba tentu air = 4.2 J g -1 0C-1]
325.50 kJ mol-1
13.020 kJ mol-1
65.100 kJ mol-1
1.568 kJ mol-1
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