Olew Crai

Olew Crai

8th - 9th Grade

15 Qs

quiz-placeholder

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Olew Crai

Olew Crai

Assessment

Quiz

Chemistry

8th - 9th Grade

Hard

Created by

E Evans

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

Media Image

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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