Cydbwyso Hafaliadau Syml
Authored by E Evans
Chemistry
9th - 12th Grade
Used 19+ times
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10 questions
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1.
MATCH QUESTION
1 min • 3 pts
Parwch y canlynol
MgCl2
Dau atom ocsigen
O2
Moleciwl ocsigen
2LiCl
Dau foleciwl lithiwm clorid
C
Moleciwl magnesiwm clorid
2O
1 atom carbon
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pa rhif sydd angen mynd o flaen arian i gydbwyso'r hafaliad?
2Ag2O → __Ag + O2
4
2
1
3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pa rhif sydd angen i gydbwyso'r hafaliad?
Mg + __HCl ---> MgCl2 + H2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mae'r hafaliad canlynol yn gytbwys:
CaCO3 --> CaO + CO2
Gwir (true)
Gau (false)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mae'r hafaliad canlynol yn gytbwys:
Na + O2 --> Na2O
Gwir (true)
Gau (false)
6.
DRAG AND DROP QUESTION
1 min • 1 pt
Cydbwyswch yr hafaliad:
CH4 + (a) O2 --> CO2 + (b) H2O
7.
DRAG AND DROP QUESTION
1 min • 1 pt
ZnO + (a) Na --> Na2O + Zn
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