
ທົດສອບຄອສປູພື້ນຖານເຄມີ ສໍາລັບ ມ5
Quiz
•
Chemistry
•
•
Practice Problem
•
Hard
DDaii NANA
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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ປະຕິກິລິຍາໃດລຸ່ມນີ້ແມ່ນປະຕິກິລິຍາແທນບ່ອນ?
H2 + S → H2S
CH4 + 2O2 → CO2 + 2H2O
Fe + 2HCl → FeCl2 + H2
NaOH + HCl → NaCl + H2O
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
ສູດເຄມີຂອງທາດປະສົມທີ່ປະກອບດ້ວຍ ນີໂຕຣແຊນ (ຄ່າເຄມີເທົ່າ III) ແລະ ຮີໂດຣແຊນ ຂຽນໄດ້ແນວໃດ?
NH3
N2H4
NH4+
NH3+
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
ສົມຜົນປະຕິກິລິຍາໃນຂໍ້ໃດລຸ່ມນີ້ ຊັ່ງຊາໄດ້ຖືກຕ້ອງທີ່ສຸດ?
NH3 + O2 → H2O + NO2
2NH3 + O2 → NO2 + H2O
2NH3 + 2O2 → 6NO2 + H2O
4NH3 + 7O2 → 4NO2 + 6H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ອົກຊິດໃນຂໍ້ໃດລຸ່ມນີ້ເມື່ອລະລາຍໃນນໍ້າແລ້ວໄດ້ທາດລະລາຍອາຊິດທັງໝົດ?
K2O, CaO, SO2
P2O5, CO2, SO2
P2O5, CO2, CaO
K2O, Na2O, CaO
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
ສູດໂມເລກຸນຂອງບາເຊີປະກອບມີທາດໃດແດ່?
ໂລຫະ ແລະ ເຄົ້າອາຊິດ
ໂລຫະ ແລະ ອົກຊີແຊນ
ໂລຫະ ແລະ ຮີໂດຣແຊນ
ໂລຫະ ແລະ ຈຸຮີດຣົກຊິດ
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ເມື່ອຈູດຖ່ານໃນອົກຊີແຊນໄດ້ຄວາມຮ້ອນ 2010 kJ ມວນສານຂອງຖ່ານຈະໃຊ້ຈັກກຣາມ? ກໍານົດໃຫ້ສົມຜົນຄວາມຮ້ອນຕໍ່ໄປນີ້: C + O2 → CO2 + 402 kJ
C = 30g
C = 60g
C = 90g
C = 120g
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ທາດປະສົມໃດຕໍ່ໄປນີ້ທີ່ມີອັດຕາສ່ວນຮ້ອຍມວນສານຂອງນີໂຕຣແຊນ (N) ເທົ່າ 28%?
Mg3N2
Ca3N2
NH3
NO2
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