2.3 Dŵr

2.3 Dŵr

9th Grade

15 Qs

quiz-placeholder

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2.3 Dŵr

2.3 Dŵr

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Medium

Created by

Kathryn Roberts

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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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