រំលឹកមេរៀនថ្នាក់ទី១២ បំប៉ន (ថ)

Quiz
•
Chemistry
•
12th Grade
•
Hard
Seng Rom
Used 11+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
តើសមាសធាតុណាខ្លះខាងក្រោម ដែលជាអំបិល?
CH3 -COONa
CH3 -COOH
Al2(SO4)3
CH3 -CH2ONa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ CuSO4 + Zn -> ZnSO4 + Cu
តើប្រភេទគីមីមួយណាដើរតួជារេដុករ?
CuSO4
Zn
ZnSO4
Cu
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
សរសេររូបមន្តគីមី សំណ II អុីយ៉ូឌួ
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
សរសេររូបមន្តគីមីៈ ស្រ្តុងចូម អុីដ្រុកស៊ីត
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
តើសមាសធាតុ Fe(NO3)3 ពេលរលាយក្នុងទឹកបង្កើតបានអុីយ៉ុងអ្វីខ្លះ?
Fe2+ និង NO3-
Fe និង NO3
Fe3+ និង NO3-
Fe3+ និង NO33-
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ 2Al + 6HCl -> 2AlCl3 + 3H2
ប្រសិនបើ ល្បឿនបំបាត់ Al នៅខណៈគឺ 0.00180M.mn-1 ចូរគណនាល្បឿនខណៈកំណ H2 នៅខណៈ t ដូចគ្នា។
0.00180M.mn-1
0.0027M.mn-1
0.0036M.mn-1
0.0054M.mn-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ Ca(OH)2 + H2SO4 -> CaSO4 + 2H2O
តើសមាសធាតុណាមួយដែលជាកករ?
Ca(OH)2
H2SO4
CaSO4
H2O
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