Calchfaen
Authored by E Evans
Chemistry
7th - 9th Grade
Used 14+ times
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11 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Calchfaen
CaCO3
CaO
Ca(OH)2
Calsiwm Carbonad
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Calch Brwd
Calsiwm Hydrocsid
CaO
Ca(OH)2
Calsiwm Ocsid
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Calch Tawdd
Calsiwm Carbonad
CaO
Ca(OH)2
Calsiwm Ocsid
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa fath o adwaith sy'n digwydd pan gaiff carbonad ei wresogi?
Dadelfeniad Thermol
Niwtraliad
Dadhydradiad
Hydoddi
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Calsiwm Carbonad + Gwres uchel -->
Carbon Deuocsid
Calsiwm Ocsid
Calsiwm
Ocsigen
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
I droi calch brwd yn galch tawdd, rhaid ychwanegu...
(a)
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Y mwyaf adweithiol yw'r metel, y mwyaf (a) yw'r carbonad
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