OBJEKTIF PERCUBAAN SPM SMKA 2024 (Q31-Q35)
Quiz
•
Science
•
11th Grade
•
Practice Problem
•
Hard
MOHD KPM-Guru
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Satu sampel air daripada sebuah tasik diuji dan didapati mempunyai nilai BOD yang tinggi. Apakah yang ditunjukkan oleh nilai BOD yang tinggi?
Air tasik tidak tercemar
Air tasik mengandungi sedikit mikroorganisma
Kuantiti oksigen yang terlarut dalam air adalah rendah
Kuantiti oksigen dalam air tasik rendah
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan di bawah menunjukkan satu tindak balas.
Antara tindakan berikut, yang manakah dapat meningkatkan kadar tindak balas?
Menambahkan tekanan udara
Menambahkan kepekatan asid sulfurik
Mengurangkan suhu asid sulfurik
Menambahkan saiz zarah bagi magnesium
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rajah 14 menunjukkan proses Haber bagi menghasilkan Ammonia.
Manakah antara faktor berikut dapat memberikan kesan terhadap penghasilan Ammonia secara optimum?
Suhu 100 darjah celsius
Mangkin aluminium
Nisbah nitrogen terhadap hidrogen digunakan ialah 3:1
Tekanan 200 atm
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rajah 15 menunjukkan satu sebatian hidrokarbon.
Apakah nama sebatian ini?
Pentana
Propana
Butana
Butena
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rajah 16 menunjukkan perubahan dalam lumen arteri.
Makanan yang manakah jika diambil secara berlebihan boleh menyebabkan enapan bahan X pada dinding arteri?
Mentega kacang
Minyak zaitun
Minyak ikan
Susu segar
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