ບົດທີ 6 - 7
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Hard
Somchai Phoutthavong
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ການປຸງແຕ່ງທາດລະລາຍ ມາເຢຊຸນຟາດ MgSO2 0,1 mol/L, ຈໍານວນ 100 Cm3 ຈະຕ້ອງໃຊ້ມາເຢຊຸນຟາດຈັກກຣາມ ?
12
24
1,2
2,4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ຖ້າຕ້ອງການປຸງແຕ່ງທາດລະລາຍ ເງິນນີຕຣັດ 0,1 mol/L, ຈໍານວນ 250 Cm3 ຈະຕ້ອງໃຊ້ພຶກເງີນນີຕຣັດຈັກກຣາມ ?
4,25
42,5
425
0,425
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ຖ້າຕ້ອງການປຸງແຕ່ງທາດລະລາຍອາຂິດອາເຊຕິກເຂັ້ມຂຸ້ນ 0,5 M ຈໍານວນ 150 ml ຈາກທາດລະລາຍອາຊິດອາເຊຕິກທີ່ມີ
ຄວາມເຂັ້ມຂຸ້ນ 2 M ຈໍານວນເທົ່າໃດ ?
0,375
3,75
37,5
375
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ຖ້າຕ້ອງການປຸງແຕ່ງທາດລະລາຍອາຊິດນີຕຣິກເຂັ້ມຂຸ້ນ 0,1 M ຈໍານວນ 250 ml ຈາກທາດລະລາຍອາຊິດອາເຊຕິກທີ່ມີ
ຄວາມເຂັ້ມຂຸ້ນ 2 M ຈໍານວນເທົ່າໃດ ?
0,125
1,25
12,5
125
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0.102 ແລະ 0,372
102 ແລະ 372
1,02 ແລະ 3,72
10,2 ແລະ 37,2
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