
Olew Crai
Authored by E Evans
Chemistry
8th - 9th Grade
Used 22+ times

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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mae distyllu ffracisynol yn gweithio drwy wahanu y moleciwlau ar sail eu...
Ymdoddbwynt
Berwbwynt
Trefniant Electronau
Elfennau sy'n bresennol
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dewiswch yr Alcanau
Bwtan
Propen
C2H6
C4H8
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Pa rhai o'r canlynol sy'n wir am alcen?
Nid oes newid gyda dwr Bromin
Mae Carbon annirlawn yn bresennol
Mae dwywaith y nifer o H i gymharu a C
Mae grwp OH yn bresennol
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dewiswch y brawddegau cywir
Mae gan y moleciwlau hiraf y berwbwynt uchaf.
Anweddu mae'r moleciwlau'n gwneud yn y golofn
Cyddwyso mae'r moleciwlau'n gwneud yn y golofn
Mae'r moleciwlau byrraf yn codi i ben (top) y golofn
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dewiswch y priodweddau sy'n gysylltiedig gyda PTFE (Tefflon)
Anadweithiol
Gwrthlud
Tryloyw
Gallu ymestyn
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Beth yw cynhyrchion hylosgi Nonan?
Carbon Deuocsid
Dwr
Pentan
Bwten
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Pa foleciwlau sy'n ffurfio wrth gracio Decan?
Octan
Octen
Ethen
Ethan
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