
SAINS TINGKATAN 3 BAB 4 KEREAKTIFAN LOGAM
Presentation
•
Science
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12th Grade
•
Practice Problem
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Medium
Teacher Roselen
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7 Slides • 4 Questions
1
SAINS TINGKATAN 3 BAB 4
4.1 Kepelbagaian mineral
4.3 Pengestrakan logam daripada bijihnya
TP 3, TP5
by Teacher Roselen
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3
Multiple Select
Pilih mineral yang tidak mengandungi unsur oksigen.
Hematit
Galena
Pirit
Bauksit
4
Multiple Choice
Aluminium oksida adalah mineral semulajadi. Apakah kegunaan Aluminium oksida
Membuat ubat gigi
Meneutralkan tanah yang berasid
Komponen dalam alat pemotong
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6
Lombong bauksit Kuantan, Pahang
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Open Ended
Bagaimanakah kita dapat mengurangkan kesan buruk perlombongan bauksit terhadap alam sekitar?
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Semak jawapan anda...
Membaik pulih kawasan perlombongan dengan menanam lebih banyak tumbuhan hijau.
Meningkatkan kecekapan proses perlombongan bauksit dengan menggunakan teknologi-teknologi yang mesra alam.
9
Open Ended
Pada pendapat anda, adakah perlombongan bauksit perlu diteruskan? Wajarkan pendapat anda.
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Semak jawapan anda...
Ya, perlu diteruskan. Jika dihentikan akan menyebabkan kesukaran memperolehi sumber baharu bagi aluminium.
Perlombongan perlu dilakukan dengan lebih terkawal.
Pokok yang ditebang mesti ditanam semula.
11
Syabas dan tahniah !!!! anda telah menyelesaikan pembelajaran hari ini
SAINS TINGKATAN 3 BAB 4
4.1 Kepelbagaian mineral
4.3 Pengestrakan logam daripada bijihnya
TP 3, TP5
by Teacher Roselen
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