Revision 2

Quiz
•
Chemistry
•
12th Grade
•
Hard
Seng Rom
Used 9+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
តើសមាសធាតុខាងក្រោម មួយណាជាអាស៊ីត?
CH3 -COONa
NaOH
K3PO4
H -COOH
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
តើសមាសធាតុណាខ្លះខាងក្រោម ដែលរលាយក្នុងទឹក?
NaCl
PbBr2
Ca(NO3)2
K3PO4
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
ប្រតិកម្មដែលប្រព្រឹត្តទៅក្នុងរយៈពេលដ៏ខ្លីបំផុត ហៅថា............
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ប្រតិកម្មយឺត គឺជាប្រតិកម្មដែលប្រព្រឹត្តទៅក្នុងរយៈពេល.....
ខ្លីបំផុត
ច្រើននាទី ច្រើនម៉ោង
ច្រើនខែ ច្រើនឆ្នាំ
មិនដឹងទេ
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
ក្នុងចំណោមប្រតិកម្មខាងក្រោម តើប្រតិកម្មណាមួយ ជាប្រតិកម្មរហ័ស?
CaCO3 -> CaO + CO2
2KClO3 -> 2KCl + 3O2
2H2O2 -> 2H2O + O2
NaOH + HCl -> NaCl + H2O
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
ក្នុងចំណោមសមាសធាតុខាងក្រោម តើណាខ្លះជាបាស?
KOH
NH4OH
C2H5 -COOH
Ca(OH)2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ប្រតិកម្មយឺតបំផុត ជាប្រតិកម្មដែលប្រព្រឹត្តទៅក្នុងរយៈពេល.....
ដ៏ខ្លីបំផុត
ច្រើននាទី ច្រើនម៉ោង
គ្មានចម្លើយដែលត្រូវ
ច្រើនខែ ច្រើនឆ្នាំ
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