រំលឹកមេរៀនថ្នាក់ទី១២ ថ្នាក់បំប៉ន (៦)

Quiz
•
Chemistry
•
12th Grade
•
Hard
Seng Rom
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
រូបមន្ត កំហាប់ជាម៉ូលនៃសារធាតុគឺ ......................
មិនចេះទេគ្រូ
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
តើសមាសធាតុណាខ្លះខាងក្រោម ដែលមិនរលាយក្នុងទឹក?
CaSO4
(NH4)2CO3
AgBr
PbBr2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ CaCO3 + 2HCl -> CaCl2 + H2O + CO2
រូបមន្ត ភាគរយកម្រិតសុទ្ធនៃ CaCO3 គឺ
មិនចេះទេ
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
រូបមន្ត បាសឆ្លាស់របស់ HS- គឺ...................
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
គេរំលាយឧស្ម័នអុីដ្រូសែនក្លរួចំនួន 0.224L ទៅក្នុង 500mL នៃទឹក គេទទួលបានសូ.អាស៊ីតក្លរីឌ្រិច
។ គណនា pH នៃសូលុយស្យុងអាស៊ីតក្លរីឌ្រិចដែលទទួលបាន។
គេឲ្យៈ Vm = 22.4L/mol, log2 = 0.3
1.7
2.7
1.3
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សរសេរសមីការអុីយ៉ុងសម្រួលនៃប្រតិកម្ម
សូដ្យូមស៊ុលផួរ និង កាត់ម្ញូ៉មក្លរួ គឺ
មិនចេះទេគ្រូ
Cd + S -> CdS
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
គេលាយ 0.07mol នៃសូ. H2SO4 និង 0.07mol នៃសូ. KOH ។ ល្បាយសូលុយស្យុងដែលទទួលបានមានមជ្ឈដ្ឋានជា....
សូលុយស្យុងណឺត
គ្មានសូលុយស្យុងណាមួយទេ
សូលុយស្យុងបាស
សូលុយស្យុងអាស៊ីត
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