
Asidau, Alcalïau a Dangosyddion
Authored by Kathryn Roberts
Science
10th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw pH hydoddiant niwtral?
Llai na 7
7
Dim pH
Mwy na 7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa ïonau sy'n cael eu cynhyrchu pan mae asidau'n hydoddi mewn dŵr?
ïonau hydrogen, H+
ïonau clorid, Cl–
ïonau hydrocsid, OH–
ïonau sodiwm, Na+
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa liw mae dangosydd cyffredinol yn newid i mewn hydoddiant asidig?
Glas
Melyn
Coch
Gwyrdd
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw'r adwaith rhwng ïonau H+ ac ïonau OH–?
Adwaith ecsothermig
Adwaith niwtraleiddio
Adwaith endothermig
Adwaith dadelfennu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa gynnyrch sy'n ffurfio pan mae asidau'n adweithio â metelau adweithiol?
Dŵr
Halwyn a hydrogen
Carbon deuocsid
Ocsigen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa fath o adwaith yw adwaith metelau ag asidau?
Endothermig
Ecsothermig
Niwtraleiddio
Dadelfennu
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw'r cynnyrch pan mae asidau'n adweithio â hydrocsidau metel?
Dim cynnyrch
Dŵr a carbon deuocsid
Halwyn a hydrogen
Halwyn a dŵr
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