4.2 Siri Kereaktifan Logam

Interactive Video
•
Science
•
9th Grade
•
Hard
CHEW YIN TANG
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah asas untuk menyusun logam dalam siri kereaktifan?
Keupayaan untuk mengalirkan elektrik
Ketumpatan
Kereaktifan dengan oksigen
Takat lebur
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang terbentuk apabila logam bertindak balas dengan oksigen?
Logam hidroksida
Oksida logam
Logam karbonat
Logam sulfida
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Logam manakah yang paling reaktif dalam siri kereaktifan yang diberikan?
Kalium (K)
Natrium (Na)
Aluminium (Al)
Aurum (Au)
4.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Adakah anda menikmati pelajaran video?
Ya
Tidak
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan pemerhatian eksperimen, pernyataan yang manakah tentang kereaktifan Karbon adalah betul?
Karbon kurang reaktif daripada Plumbum.
Karbon lebih reaktif daripada Aluminium.
Karbon kurang reaktif daripada Zink.
Karbon lebih reaktif daripada Plumbum dan Zink, tetapi kurang reaktif daripada Aluminium.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah sebab utama untuk memasukkan Karbon (C) dan Hidrogen (H) dalam siri kereaktifan logam?
Untuk mengelaskan logam berdasarkan ketumpatannya.
Untuk menentukan kaedah mengekstrak logam daripada bijihnya.
Untuk meramalkan takat lebur pelbagai logam.
Untuk mengenal pasti logam yang merupakan pengalir elektrik yang baik.
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