חמצון חיזור מבחן
Quiz
•
Chemistry
•
11th - 12th Grade
•
Hard

fadia khatib
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
:CCl4מהי דרגת החמצון של הפחמן במולקולה
4-
2+
0
4+
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
יכול להגיב כמחזר/מחמצן/מחזר ומחמצן CCl4 האם הפחמן במולקולה
מחמצן
מחזר
מחמצן ומחזר
לא כמחמצן ולא כמחזר
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
כשמכניסים טבעת העשויה מנחושת לתמיסת כסף חנקתי הצבע שלה משתנה אבל טבעת העשויה מזהב לא תשנה צבע,סדר את שלושת המתכות לפי כושרן לחזר
Cu>Au>Ag
Cu>Ag>Au
Ag>Au>Cu
Au>Ag>Cu
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*מה היא דרגת חמצון הפחמן המסומן ב
2-
0
2+
4+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As נתונים ארבעה חלקי תהליכים, באיזה מהם
?עבר חימצון
H2AsO4 → As
H2AsO3 → As
K3As → As
As2O3 → As
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