Puro dwr
Authored by Bethan Yapp
Chemistry
9th - 10th Grade
Used 30+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa gam o'r broses puro dwr sy'n lladd bacteria?
hidlydd
gwaddodi
clorineiddio
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa gam o'r broses puro dwr sy'n cael gwared ar ddarnau mawr?
hidlydd
gwaddodi
clorineiddio
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa gam o'r broses puro dwr sy'n cael gwared ar ddarnau bach?
hidlydd
gwaddodi
clorineiddio
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Pa bethau sydd angen tynnu o ddwr afon i allu ei yfed? Ticiwch pob un sy'n berthnasol
bacteria
sbwriel
dail a cherrig
halen
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Yn wahanol i ddwr afon, mae dwr y mor yn cynnwys ___ sydd angen tynnu
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa dechneg sy'n gwahanu dwr a halen?
llosgi
distyllu
puro
berwi
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Berwbwynt dwr yw ___ gradd selsiws
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