Beth yw'r dull cyntaf o drin dŵr o afonydd, llynnoedd a'r môr?
2.3 Dŵr

Quiz
•
Chemistry
•
9th Grade
•
Medium

Kathryn Roberts
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fflworideiddio
Dihalwyno
Distyllu
Gwaddodi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa broses sy'n cynnwys ychwanegu clorin i ddŵr?
Gwaddodi
Fflworideiddio
Hidlo
Chlorineiddio
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw'r broses o dynnu halen o ddŵr môr?
Gwaddodi
Hidlo
Distyllu
Dihalwyno
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sut mae dŵr yn gweithredu yn y testun?
Fel hydoddydd
Fel catalydd
Fel asid
Fel bas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa broses sy'n cynnwys berwi a chasglu anwedd dŵr?
Distyllu
Dihalwyno
Fflworideiddio
Hidlo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw un o'r manteision o ddŵr caled?
Mae'n ddi-haint
Mae'n rhad
Mae'n hawdd ei drin
Mae'n cynnwys mwynau
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sut mae caledwch dŵr yn cael ei fesur?
Trwy arogl
Trwy liw
Trwy flasu
Trwy ddadansoddi cemegol
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