Cynhyrchu Copr Sylffad
Authored by E Evans
Chemistry
10th Grade
Used 29+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw fformiwla copr sylffad?
CuSO3
CuSO4
CuS
CuO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa un o'r canlynol sydd angen i gynhyrchu copr sylffad o gopr ocsid?
Asid Hydroclorig
Asid Sylffwrig
Asid Nitrig
Asid Ethanoig
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa hafaliad sy'n gytbwys ac yn dangos yr adwaith rhwng copr ocsid ac asid sylffwrig?
CuO + H2SO4 → CuSO4 + H2O
CuO + HCl → CuCl2 + H2O
CuO + H2SO4 → CuSO4 + H2O + CO2
CuO + CH3COOH → Cu(CH3COO)2 + H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw lliw crisialau copr sylffad?
Gwyrdd
Glas
Du
Gwyn
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Pa gemegolion gellir eu defnyddio i gynhyrchu copr sylffad?
Copr Ocsid
Copr Carbonad
Copr Clorid
Asid sylffwrig
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pam bod angen gormodedd o solid?
Er mwyn i'r carbonad i gyd i adweithio
Er mwyn i'r asid i gyd i adweithio
Er mwyn i'r ocsid i gyd i adweithio
Er mwyn i'r crisialau fod yn las
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa nwy caiff ei ryddhau wrth i gopr carbonad adweithio gydag asid sylffwrig?
Ocsigen
Hydrogen
Carbon deuocsid
Nitrogen
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