KIỂM TRA LÀO

KIỂM TRA LÀO

Assessment

Quiz

Chemistry

Professional Development

Medium

Created by

Lê Viết Lượng

Used 3+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ສານໃດຕໍ່ໄປນີ້ແມ່ນ electrolyte ທີ່ອ່ອນແອ?

HCl

Na2CO3

Ba(OH)2

HF

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image
ເລືອກ​ຄໍາ​ຕອບ​ທີ່​ຖືກ​ຕ້ອງ

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

Media Image
ເລືອກ​ຄໍາ​ຕອບ​ທີ່​ຖືກ​ຕ້ອງ

A

B

C

D

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image
ເລືອກ​ຄໍາ​ຕອບ​ທີ່​ຖືກ​ຕ້ອງ

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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