Latih Minda 2
Quiz
•
Chemistry
•
7th - 11th Grade
•
Practice Problem
•
Hard
sha ibr
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7 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah nombor pengoksidaan klorin dalam HClO3?
-3
+1
+3
+5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara sebatian nitrogen yang berikut, manakah mempunyai nombor pengoksidaan negatif?
NO
N2O
NH
NO2
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Antara yang berikut, manakah merupakan agen penurunan?
Magnesium
Gas hidrogen sulfida
Klorin
Asid nitrik pekat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara tindak balas yang berikut, manakah menunjukkan ferum dioksidakan?
Larutan natrium sulfit, NaSO3 ditambahkan kepada ferum(III) klorida
Larutan kalium manganat(VII) berasid ditambahkan kepada suatu garam ferum(III)
Zink bertindak balas dengan ferum
Larutan kalium iodida ditambahkan kepada larutan ferum(III)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan persamaan di atas, apakah yang dimaksudkan dengan tindak balas pengoksidaan?
Elektron diterima oleh zink
Elektron diderma oleh zink
Elektron diterima oleh ion zink
Elektron diderma oleh ion zink
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nombor pengoksidaan sulfur bertukar dari
0 kepada -2
+2 kepada +6
+4 kepada +6
-2 kepada +6
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Antara yang berikut, manakah merupakan tindak balas redoks?
Penyesaran logam daripada garamnya
Pemanasan logam oksida dengan karbon
Peneutralan antara HCl dan NaOH
Pendehidratan alkohol
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