រំលឹកមេរៀនថ្នាក់ទី១២ (៤)
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Seng Rom
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សមីការគីមីៈ A + B <-> C + D
រូបមន្ត ល្បឿនខណៈកំណអង្គធាតុកកើត D គឺ.....
គិតមិនចេញទេ ):
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
ក្នុងចំណោមសមាសធាតុខាងក្រោម តើណាខ្លះជាអាស៊ីត?
H2SO4
HOOC -CH3
CH3 -CH2 -COOH
CH3 -CH2OH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
តើអំបិល សូដ្យូមផូស្វាត Na3PO4 ពេលរលាយក្នុងទឹក បង្កើតបានអុីយ៉ុង អ្វីខ្លះ?
Na3+ និង PO43-
Na+ និង PO42-
គ្មានចម្លើយ
Na+ និង PO43-
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
ក្នុងចំណោមសមាសធាតុខាងក្រោម តើណាខ្លះដែលរលាយក្នុងទឹក?
CaCO3
K2CO3
NaNO3
NH4NO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
កាតាលីករ គឺជាសារធាតុដែលជួយជំរុញល្បឿនប្រតិកម្មគីមីកើតឯង ដោយគ្មានបាត់បង់លក្ខណៈគីមីក្រោយប្រតិកម្មចប់។
ត្រឹមត្រូវណាស់
មិនត្រឹមត្រូវទេ
មិនដឹង
មិនចេះ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
សីតុណ្ហភាពកាន់តែខ្ពស់ ធ្វើឲ្យចលនានៃម៉ូលេគុលកាន់តែកញ្រ្ចោលខ្លាំង ជាហេតុធ្វើឲ្យល្បឿនប្រតិកម្មប្រព្រឹត្តទៅកាន់តែលឿន។
ត្រឹមត្រូវ
មិនត្រឹមត្រូវ
មិនចេះ
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
តើសមាសធាតុខាងក្រោមណាខ្លះដែលមិនរលាយក្នុងទឹក?
BaSO4
Fe(OH)3
FeCl3
CdSO3
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