
10.2 Radikal Bebas
Presentation
•
Science
•
4th Grade
•
Hard
Mohd Anuar Nasri Nasir
Used 2+ times
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5 Slides • 3 Questions
1
10.2 Radikal Bebas
by Mohd Anuar Nasri Nasir
Sains Tingkatan 4: Kimia dalam Perubatan dan Kesihatan
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Definisi Radikal Bebas
Radikal bebas ialah atom atau molekul yang kekurangan satu elektron yang menjadikan atom atau molekul tersebut tidak stabil, reaktif dan cenderung untuk menyerang atom atau molekul lain.
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Proses Pengoksidaan menghasilkan radikal bebas
Proses pengoksidaan ialah tindak balas kimia yang berlaku apabila suatu bahan tindak balas mengalami kehilangan elektron.
Proses pengoksidaan yang berlaku secara semula jadi di dalam badan menghasilkan radikal bebas.
Keadaan ini mencetuskan tindak balas berantai untuk menghasilkan lebih banyak radikal bebas.
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Faktor dalaman yang menghasilkan radikal bebas di dalam badan manusia
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Faktor luaran yang menghasilkan radikal bebas dan menyerang sel-sel badan manusia
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Open Ended
Apakah radikal bebas?
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Open Ended
Jelaskan cara radikal bebas terbentuk.
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Open Ended
Berikan dua punca terdapatnya radikal bebas di dalam badan.
10.2 Radikal Bebas
by Mohd Anuar Nasri Nasir
Sains Tingkatan 4: Kimia dalam Perubatan dan Kesihatan
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