Olew Crai a Cemeg Organig

Olew Crai a Cemeg Organig
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ChemistryUpper Secondary (Key Stage 4)GCSE

This lesson contains 23 slides, with interactive quizzes and text slides.

Items in this lesson

Olew Crai a Cemeg Organig

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Pa fath o bond sy'n bodoli ym mhob hydrocarbon?
A
Bond ionic
B
Bond hydrogen
C
Bond metelaidd
D
Bond cofalent

Slide 19 - Quiz

Beth yw'r broses o gwahanu'r cynnwys mewn olew crai?
A
Distyllu Ffractiynol
B
Cromatograffiaeth
C
Adwaith hydrolysu
D
Hidlo Ffractiynol

Slide 20 - Quiz

Beth yw'r prif elfen mewn hydrocarbon?
A
Ocsigen
B
Hydrogen
C
Nitrogen
D
Carbon

Slide 21 - Quiz

Beth sy'n wahanol am y cemegion sydd mewn olew crai?
A
Atomau gwahanol
B
Nifer o atomau carbon
C
Bondiau gwahanol
D
Lliwiau

Slide 22 - Quiz

Beth yw olew crai?
A
Cynnyrch o dorri creigiau dros miliynau o flynyddoedd
B
Cynnyrch gwasgedd a gwres ar planhigion ac anifeiliad morol
C
Deunydd o echdoriadau folcanig
D
Planhigion wedi pydru

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