Cemeg 2.3 Electrolysis + Metelau

Assessment
•
18R Tune
•
Chemistry
•
11th Grade
•
2 plays
•
Medium
Student preview

48 questions
Show all answers
1.
MULTIPLE CHOICE
30 sec • 1 pt
Beth yw cyfansoddyn metel y mwyn halen craig?
2.
MULTIPLE CHOICE
30 sec • 1 pt
Beth yw cyfansoddyn metel y mwyn bocsit?
3.
MULTIPLE SELECT
45 sec • 1 pt
Pa rhai o'r fetelau yma gallwn canfod yn naturiol?
4.
MULTIPLE CHOICE
30 sec • 1 pt
Pa metelau caiff eu hechydynnu drwy electrolysis?
5.
MULTIPLE CHOICE
30 sec • 1 pt
Pa metelau gallwn rhydwytho yn gemegol?
6.
FILL IN THE BLANK
1 min • 1 pt
Gellir dangos adweithedd cymharol metelau drwy adweithiau _________
7.
MULTIPLE CHOICE
30 sec • 1 pt
Sut ydy mwyn haearn yn cael ei ddefnyddio yn y ffwrnais chwyth?
8.
MULTIPLE CHOICE
30 sec • 1 pt
Sut ydy golosg yn cael ei ddefnyddio yn y ffwrnais chwyth?
9.
MULTIPLE CHOICE
30 sec • 1 pt
Sut ydy calchfaen yn cael ei ddefnyddio yn y ffwrnais chwyth?
10.
MULTIPLE CHOICE
30 sec • 1 pt
Sut ydy aer poeth yn cael ei ddefnyddio yn y ffwrnais chwyth?
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