
Diogelwch yn y Labordy
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Medium
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa symbol fyddwch yn ei weld ar gemegyn gwenwynig?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa symbol byddwch yn ei weld ar botel o asid?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Enwch y symbol.
Ocsidio
Niweidiol
Fflamadwy
Cyrydol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa symbol fydd ar cemegau sydd yn ddrwg i'r amgylchedd?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Enwch y symbol.
Ymbelydrol
Niweidiol
Gwenwynig
Fflamadwy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mae'r symbol yma'n golygu y gall pethau fynd ar dân yn hawdd.
Ffrwydrol
Fflamadwy
Gwenwynig
Niweidiol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa symbol sydd yn dangos fod cemegau yn medru ffrwydro'n hawdd?
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