រំលឹកមេរៀនថ្នាក់ទី១២ បំប៉ន (ញ)
Quiz
•
Chemistry
•
12th Grade
•
Medium
Seng Rom
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9 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
សមីការគីមីៈ AgNO3 + ZnBr2 -> Zn(NO3)2 + 2AgBr
តើសមាសធាតុណាខ្លះដែលមានផាស ជា aq?
AgNO3
ZnBr2
Zn(NO3)2
AgBr
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
រយៈពេលពាក់កណ្តាលប្រតិកម្ម (t1/2) គឺជារយៈពេលដែលអង្គធាតុកកើត កើតបានពាក់កណ្តាល។
ត្រឹមត្រូវ
មិនត្រឹមត្រូវ
មិនដឹង
មិនចេះ
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
ចូរសរសេររូបមន្តគីមីរបស់ ដែក III ស៊ុលផាត
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
តើសមាសធាតុមួយណាខាងក្រោម ដែលមិនរលាយក្នុងទឹក?
ZnCl2
FeBr3
CuCO3
Pb(NO3)2
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
សមីការគីមីៈ Fe + Cu2+ -> Fe2+ + Cu
ចូរកំណត់គូរេដុកដែលមានក្នុងប្រតិកម្មនេះ។
Fe/Fe2+
Fe2+/Fe
Cu/Cu2+
Cu2+/Cu
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ2MnO4- + 5H2C2O4 + 6H+ -> 2Mn2+ + 8H2O + 10CO2
ចូរសរសេរទំនាក់ទំនងល្បឿនមធ្យមរវាង MnO4- និង H+ នៅចន្លោះពេល t1 និង t2។
គ្មានចម្លើយត្រឹមត្រូវ
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ 2MnO4- + 5H2C2O4 + 6H+ -> 2Mn2+ + 8H2O + 10CO2
ចូរសរសេរទំនាក់ទំនង រវាងល្បឿនខណៈរវាង H2C2O4 និង H+ នៅខណៈពេល t។
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ CaCO3 + 2HCl -> CaCl2 + H2O + CO2
រូបមន្តភាគរយកម្រិតសុទ្ធនៃ CaCO3 គឺ
មិនចេះ
9.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
តើមួយណាដែលជាជម្រើសនៃការរស់នៅរបស់អ្នកសព្វថ្ងៃ?
រស់ដើម្បីស៊ី
ស៊ីដើម្បីរស់
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