រំលឹកមេរៀនថ្នាក់ទី១២ បំប៉ន (៦)

Quiz
•
Chemistry
•
12th Grade
•
Medium
Seng Rom
Used 3+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
អេស្ទែកម្ម គឺជាសមាសធាតុដែលកើតឡើងប្រតិកម្មរវាងអាស៊ីតរ៉ែ ជាមួយនឹងអាល់កុល។
ពិតជាត្រឹមត្រូវណាស់
មិនត្រឹមត្រូវ
មិនចេះ
មិនដឹង
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
តើសមាសធាតុណាខ្លះ ដែលមិនរលាយក្នុងទឹក?
សូដ្យូមកាបូណាត Na2CO3
ប៉ូតាស្យូមស៊ុលផាត K2SO4
ប្រាក់ស៊ុលផាត Ag2SO4
សំណ II ប្រូមួ
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
អុីយ៉ុងអុីដ្រូសែនូផូស្វាត HPO42- គឺជាសមាសធាតុអំផូទែ ដែលស្ថិតក្នុងគូរអាស៊ីត_បាសពីរផ្សេងគ្នា ចូរកំណត់អាស៊ីតឆ្លាស់ និងបាសឆ្លាស់របស់វា។
PO43-
H3PO4
H2PO4-
HPO42-
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
សមីការគីមីៈ Na2CO3 + Fe(NO3)2 -> 2NaNO3 + FeCO3
តើសមាសធាតុណាខ្លះដែលមានផាសជា aq?
Na2CO3
Fe(NO3)2
NaNO3
FeCO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
....................គឺជាអំពើនៃកាតាលីករទៅលើល្បឿនប្រតិកម្មគីមី។
កាតាលីករ
កាតាលីស
ស្វ័យកាតាលីស
គ្មានចម្លើយដែលត្រឹមត្រូវ
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
ចូរហៅឈ្មោះសមាសធាតុៈ CH3 -C(CH3)2 -COO -CH2 -CH3
(អាចសរសេរ ខ្មែរក៏បាន អង់គ្លេសក៏បាន ហើយសរសេរមិនបាច់ដកឃ្លាទេ។
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
រូបមន្តស្ទើរលាតៈ N-អេទីល ប្រូពីលអាមីន គឺ
CH3 -CH2 -NH -C2H5
CH3 -CH2 -CH2 -CH2 -NH -C2H5
CH3 -CH2 -CH2 -NH -CH3
CH3 -(CH2)2 -NH -C2H5
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