
Cyfradd Adwaith
Quiz
•
Chemistry
•
8th - 9th Grade
•
Medium
E Evans
Used 18+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Egni actifadu yw'r....
mwyafswm o egni posib i gael adwaith
y lleiafswm o egni sydd angen er mwyn i'r adwaith ddigwydd
y gwahaniaeth egni rhwng yr adweithyddion a'r cynhyrchion
yr egni sydd angen i actifadu'r cynnyrch
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os oes nifer uwch o wrthdrawiadau llwyddiannus yna
bydd y cyfradd adwaith yn lleihau.
bydd dim newid i'r cyfradd adwaith.
bydd y cyfradd adwaith yn cynyddu.
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Er mwyn i adwaith ddigwydd rhaid cael _______________ ____________
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa adwaith bydd yn digwydd gyflymaf?
Powdr Magnesiwm & asid
Stribed Magnesiwm & asid
Bloc Magnesiwm & asid
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dewiswch y frawddeg gywir
Mae gronynnau poeth yn gwrthdaro'n fwy egniol sy'n cyflymu'r adwaith
Mae gronynnau oer yn gwrthdaro'n llai egniol sy'n gwneud yr adwaith yn gyflymach.
Mae gronynnau poeth yn gwrthdaro'n llai egniol sy'n gwneud yr adwaith yn gyflymach
Mae gronynnau oer yn gwrthdaro'n fwy egniol sy'n cyflymu'r adwaith
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Dewiswch ffactorau sy'n effeithio cyfradd yr adwaith
Tymheredd
Cyfaint
Màs
Arwynebedd Arwyneb
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa adwaith bydd yn digwydd gyflymaf?
Powdwr Mg & Asid 2 moldm-3
Stribed Mg & Asid 2 moldm-3
Powdwr Mg & Asid 3 moldm-3
Stribed Mg & Asid 3 moldm-3
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