ข้อสอบกลางภาค ภาคเรียนที่ 2 ปีการศึกษา 2563
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
kansiree martwiset
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30 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
ข้อใดเป็นกรดแก่
NaOH
HClO4
Ca(OH)2
RbOH
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
ข้อใดเป็นเบสแก่
HCl
HNO3
Ba(OH)2
NH4OH
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
สารหรือไอออนใดต่อไปนี้ ทำหน้าที่เป็นกรด
S2-
NH3
NO3-
HCl
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
สารหรือไอออนใดต่อไปนี้ ทำหน้าที่เป็นทั้งกรดและเบส
H2O
NH3
NO3-
HCl
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
สารหรือไอออนใดต่อไปนี้ ทำหน้าที่เป็นเบสเท่านั้น
H2O
HS-
NO3-
HCO3-
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
จากปฏิกิริยาต่อไปนี้
ไอออนในข้อใดเป็นคู่กรด – เบสซึ่งกันและกัน
H3O+(aq) , HS-(aq)
H2PO3-(aq) , HPO32-(aq)
H3O+(aq) , S2-(aq)
H2PO3-(aq) , HS-(aq)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
จงเรียงความเป็นกรดจากมากไปหาน้อยของสารต่อไปนี้ H2O , HClO4 , HCN , NH3 ข้อใดถูกต้อง
HClO4 > HCN > H2O > NH3
HCN > HClO4 > NH3 > H2O
HClO4 > H2O > HCN > NH3
NH3 > H2O > HCN > HClO4
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