กรด-เบส ก่อนเกลือ
Quiz
•
Chemistry
•
6th Grade
•
Medium
natchaprom hongsakornprasoet
Used 2+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหาคู่เบสของ HS-
S-
OH-
S2-
H2S
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหาคู่เบสของ HCO3-
CO32-
OH-
H3O+
H2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหาค่า pH ของสารที่มีความเป็นกรด
pH = 7
pH < 7
pH > 7
pH = 0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหาค่า pOH ของสารที่มีความเป็นด่าง
pOH = 7
pOH < 7
pOH > 7
pOH = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหาค่า [H3O+] ของสารที่มีค่า pH เท่ากับ 3
[H3O+] = 1 x 10-3 M
[H3O+] = 1 x 10-7 M
[H3O+] = 1 x 10-11 M
[H3O+] = 1 x 10-14 M
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหาค่า [OH-] ของสารที่มีค่า pOH เท่ากับ 10
[OH-] = 1 x 10-10 M
[OH-] = 1 x 10-4 M
[OH-] = 1 x 10-7 M
[OH-] = 1 x 10-14 M
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดไม่ใช่กรดแก่
HClO4
HI
HNO2
H2SO4
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