រំលឹកមេរៀនថ្នាក់ទី១២ បំប៉ន (ច)

Quiz
•
Chemistry
•
12th Grade
•
Medium
Seng Rom
Used 10+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ 2A + 3B -> C + 4D
ទំនាក់ទំនងរវាងល្បឿនខណៈបំបាត់ A និងកំណ D គឺ
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
រូបមន្តគីមីនៃ ម៉ាញ៉េស្យូមនីត្រាត គឺ
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ H2O2 + 2I- + 2H+ -> 2H2O + I2
តើប្រភេទគីមីណាមួយ ដែលជាអុកស៊ីតករខ្លាំង ?
H2O2
I-
H+
I2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ចូរហៅឈ្មោះសមាសធាតុៈ CH3 -CH(CH3) -CH2 -COOH
អាស៊ីតប៊ុយតាណូអុិច
ប៊ុយតាណុល
អាស៊ីត 2-មេទីលប៊ុយតាណូអុិច
អាស៊ីត 3-មេទីលប៊ុយតាណូអុិច
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
សមីការគីមីៈ MgCl2 + Pb(NO3)2 -> Mg(NO3)2 + PbCl2
តើប្រភេទគីមីណាខ្លះដែលមានផាស ជា aq?
MgCl2
Pb(NO3)2
Mg(NO3)2
PbCl2
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
សមីការគីមីៈ Fe(s) + 2HCl(aq) -> FeCl2(aq) + H2(g)
សមីការអុីយ៉ុងសម្រួលគឺ
Fe + 2Cl- -> FeCl2
Fe + 2H+ -> Fe2+ + H2
H+ + Cl- -> Cl- + H2
Fe(s) + 2HCl(aq) -> FeCl2(aq) + H2(g)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ S2O82- + 2I- -> 2SO42- + I2
រូបមន្តល្បឿនកំណ SO42- នៅខណៈពេល t គឺ
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