រំលឹកមេរៀនថ្នាក់ទី១២ បំប៉ន (៦)

Quiz
•
Chemistry
•
12th Grade
•
Medium
Seng Rom
Used 13+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
តើសមាសធាតុណាខ្លះខាងក្រោមដែលរលាយក្នុងទឹក?
NaBr
K3PO4
Fe(OH)2
Sr(OH)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
តើមួយណាជារូបមន្តល្បឿនខណៈបំបាត់អង្គធាតុប្រតិករ R?
គ្មានចម្លើយ
មិនចេះ
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
តើសមាសធាតុណាខ្លះដែលជាដើរតួទ្វេ ជាអាស៊ីតផង និងបាសផង?
HS-
H2SO4
HCO3-
H2PO4-
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
សមីការ..................គឺជាសមីការដែលគេសរសេរតែប្រភេទគីមី ណាដែលរងបម្រែបម្រួលតែប៉ុណ្ណោះ។
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ក្នុង 0.5L នៃល្បាយសូ.មួយមាន 0.080mol H3O+ និង 0.030mol នៃ OH- មាន pH ស្មើនឹង...........
1
2
3
13
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
តើសមាសធាតុខាងក្រោម ណាខ្លះជាបាស ប្រុងស្ទែតឡូរី?
CO32-
H -COO-
HCOOH
HCl
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ដូចម្តេចដែលហៅថាទឹកបរិសុទ្ធ?
ជាទឹកសុទ្ធ (H2O)
ជាទឹកដែលគេយកទឹកធម្មជាតិ ទៅប្រព្រឹត្តកម្មតាមលំនាំជាច្រើនដំណាក់កាល ជាច្រើន រួចសម្លាប់មេរោគ ដោយប្រើអូសូនកម្ម និងបញ្ចូលសារធាតុរ៉ែមួយចំនួន។
មិនដឹងទេ
ជាទឹកធម្មជាតិ
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