Cwis hafaliadau cemegol
Authored by Rhys Davies
Chemistry
8th - 9th Grade
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Beth yw cynnyrch yr hafaliad yma:
Sinc + Bromin →
Sinc Bromin
Sinc Bromad
Sinc Bromid
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Beth yw'r nifer o atomau ocsigen o fewn yr adweithyddion yn yr hafaliad yma:
2Mg + O2 → 2MgO
3
2
4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Beth yw'r elfen a'r symbol cemegol K?
Potasiwm
Lithiwm
Sodiwm
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Pa elfennau sydd yn bodoli fel molecylau? (Mwy nag un ateb)
Magnesiwm
Ocsigen
Clorin
Bromin
Haearn
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Beth yw'r nifer o atomau Calsiwm o fewn y cynhyrchion yn yr hafaliad?
CaCl2 + 2NaOH → Ca[OH]2 + 2NaCl
5
1
3
2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ydy'r hafaliad yma yn gytbwys?
MgCO3 → MgO + CO2
Nac Ydy
Ydy
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Beth yw enw'r elfen a'r symbol Ag?
Arian
Aur
Arsenig
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