
POSN Pre/Post Quiz
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
ภัทรพล พุทธจักรศรี
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17 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ข้อใดเปรียบเทียบรัศมีอะตอมและรัศมีไออ้อนได้อย่างถูกต้อง
Na > Na+ > F
Na > F- > F
Cl > Ne > F
N3- > Na > Ne
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ข้อใดคือสมการแสดงสัมพรรคภาพอิเล็กตรอนลำดับที่ 1 ของ F
F (g) + e- --> F- (g)
F- (g) --> F (g) + e-
F (g) + e- --> F- (aq)
F- (g) --> F (s) + e-
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
สารใดต่อไปนี้ ละลายน้ำได้สารละลายเบส
Sodium chloride
Potassium oxide
Aluminium chloride
Sulfur dioxide
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ธาตุแทรนซิชันในสารใด มีเลขออกซิเดชันสูงสุด
K4Fe(CN)6
CoCl2 · 6H2O
KMnO4
K2Cr2O7
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
สมการใดต่อไปนี้ไม่ถูกต้อง
2Na (s) + 2H2O (l) --> 2NaOH (aq) + H2 (g)
Ba (s) + O2 (g) --> BaO2 (s)
2KF (aq) + I2 (g) --> 2KI (aq) + F2 (g)
K (s) + F2 (g) --> 2KF (s)
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
การเรียกชื่อของสารใดต่อไปนี้ไม่ถูกต้อง
CaC2 : Calcium carbide
RbO2 : Rubidium peroxide
K2C2O4 : Potassium oxalate
NaHCO3 : Sodium bicarbonate
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
สารใดต่อไปนี้ละลายน้ำ
CH3COOAg
Hg2Cl2
MgSO4
Ca(OH)2
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