Beth yw Elfen?
Adolygu Adweithiau Cemegol

Quiz
•
Chemistry
•
10th Grade
•
Medium

Rhys Davies
Used 17+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sylwedd sy’n cynnwys un math o atom yn unig.
Sylwedd sy’n cynnwys dwy fath o atom.
Sylwedd sy’n cynnwys tair math o atom.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw cyfansoddyn?
Dwy atom o'r un elfen wedi'u fondio'n gemegol.
Mwy nag un elfen wedi’u bondio’n cemegol.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa fetel grwp 1 yw'r fwyaf adweithiol?
Lithiwm
Potasiwm
Sodiwm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw'r hafaliad gywir am adwaith sodiwm gyda dŵr?
Sodiwm + dŵr ⟶ Sodiwm Carbonad + Ocsigen
Sodiwm + dŵr ⟶ Sodiwm Ocsid + Hydrogen
Sodiwm + dŵr ⟶ Sodiwm Hydrocsid + Hydrogen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw dadleoli?
Pan mae elfen fwy adweithiol yn cymryd lle elfen llai adweithiol.
Pan mae elfen llai adweithiol yn cymryd lle elfen fwy adweithiol.
Nid yw'n derm gwyddonol.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gorffenwch yr hafaliad yma:
Aur Clorid + Sinc →
Aur Clorid + Sinc
Clorin + Aur
Sinc Clorid + Aur
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gorffenwch yr hafaliad yma:
Haearn Ocsid + Arian →
Arian + Haearn
Haearn Ocsid + Arian
Arian Ocsid + Haearn
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