គីមីថ្នាក់ទី១១ ត្រៀមប្រឡងឆមាសទី១

Quiz
•
Chemistry
•
10th Grade
•
Hard
Sey Tikheayu
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
តើណាមួយជាលក្ខណៈរូបរបស់េលាហៈ?
ចម្លងកម្តៅ និងអគ្គិសនីមិនបានល្អ
សួយងាយែបកបាក់
មានដង់សុីតតូច
ចម្លងកម្តៅ និងអគ្គិសនីបានល្អ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
គេមានេលាហៈបួនគឺ Cu , Zn , Fe , Al។ តើេលាហៈណាមួយមានលក្ខណៈគីមីសកម្មជាងេគ?
Zn
Al
Fe
Cu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ក្នុងបណ្ដាេលាហៈខាងក្រោមសុទ្ធតែមានប្រតិកម្មជាមួយទឹក ឬចំហាយទឹកពេលដុតកម្តៅ លើកែលងែតេលាហៈ ...។
Mg
Na
Ag
Ca
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
លោហៈខាងក្រោមសុទ្ធែតគ្មានប្រតិកម្មជាមួយសូលុយស្យុងអាសុីតរាវ(HCl , H₂SO₄)លើកលែងតែ......។
Cu
Al
Au
Ag
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
លោហៈទង់ែដងអាចមានប្រតិកម្មជាមួយ................។
H2O
HCl
H2SO4 (រាវ)
HNO3(ខាប់)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ចូរគណនាម៉ាស CaC2 ដែលមានកក្នុង 0.35mol នៃ CaC2។ (Ca = 40 , C = 12 )
0.24g
2.24g
22.4g
44.8g
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
គណនាមាឌឧស្ម័នកាបូនឌីអុកសុីតដែលមានម៉ាស 4.4g លក្ខខណ្ឌធម្មតា។ (C = 12 , O = 16)
0.24L
2.24L
22.4L
44.8L
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