PENGOKSIDAAN DAN PENURUNAN (Pengenalan)
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Norbaya Mat Sa'ad
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Maksud tindak balas REDOKS adalah:
Hanya tindak balas pengoksidaan yang berlaku .
Tindak balas pengoksidaan dan penurunan yang berlaku secara serentak.
Hanya tindak balas penurunan yang berlaku .
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mg + CuO → MgO + Cu
Berdasarkan persamaan kimia di atas :
Magnesium, Mg menderma oksigen dan dioksidakan
Magnesium, Mg menerima oksigen dan diturunkan
Magnesium, Mg menerima oksigen dan dioksidakan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3CuO + NH3 → 3Cu + 3H2O + N2
Berdasrkan persamaan di atas:
CuO merupakan agen pengoksidaan.
CuO merupakan agen penurunan.
Kuprum(II) oksida, CuO kehilangan hidrogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mg + CuSO4 → MgSO4 + Cu
Berdasarkan persamaan di atas:
Atom magnesium, Mg kehilangan dua elektron bagi membentuk ion magnesium, Mg2+.
Ion kuprum(II), Cu2+ menderma dua elektron lalu membentuk atom kuprum, Cu.
Magnesium, merupakan agen pengoksidaan.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nyatakan nombor pengoksidaan bagi Mn dalam KMnO4
+6
7
+7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Namakan sebatian Cu2O menggunakan Sistem Penamaan IUPAC
Kuprum(II) oksida
Kuprum(I) oksida
Kuprum oksida
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mg + H2SO4 → MgSO4 + H2
Berdasarkan persamaan di atas, nyatakan perubahan nombor pengoksidaan bagi Magnesium.
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