ສານໃດຕໍ່ໄປນີ້ແມ່ນ electrolyte ທີ່ອ່ອນແອ?

KIỂM TRA LÀO

Quiz
•
Chemistry
•
Professional Development
•
Medium
Lê Viết Lượng
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
HCl
Na2CO3
Ba(OH)2
HF
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ເລືອກຄໍາຕອບທີ່ຖືກຕ້ອງ
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
pH ຂອງ HCl 0.0001M ການແກ້ໄຂແມ່ນ
10
3
2
4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ສໍາລັບປະຕິກິລິຍາ RCOOH + R'OH RCOOR' + H2O ມີ = 2.25. ຖ້າຄວາມເຂັ້ມຂົ້ນຂອງ molar ເບື້ອງຕົ້ນຂອງທັງອາຊິດແລະເຫຼົ້າແມ່ນ 1M, ອັດຕາສ່ວນຂອງເຫຼົ້າໄດ້ຖືກ esterified ເມື່ອປະຕິກິລິຍາເຖິງຄວາມສົມດຸນ?
75%
50%
60%
65%
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ເລືອກຄໍາຕອບທີ່ຖືກຕ້ອງ
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ເລືອກຄໍາຕອບທີ່ຖືກຕ້ອງ
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ຈໍານວນການຜຸພັງຂອງ N ໃນ NO2 ແມ່ນ
+2
+3
+4
-4
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