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2.2 Asidau, Basau a Halwynau

Authored by Bethan Yapp

Science

10th - 11th Grade

Used 44+ times

2.2 Asidau, Basau a Halwynau
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mae gan sylweddau asidau cryf werth pH o...

7

1-3

8-11

4-6

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Mae dangosydd cyffredinol yn troi'n ______ ym mhresenoldeb sylwedd niwtral.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mae'r adwaith ecsothermig isod yn digwydd rhwng asid ac alcali

ocsidiad

dadleoliad

rhydwythiad

niwtraliad

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cwblhewch yr hafaliad cyffredinol: Asid + Metel -->

Halwyn + Dwr

Halwyn

Halwyn + Carbon Deuocsid + Dwr

Halwyn + Hydrogen

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cwblhewch yr hafaliad cyffredinol: Asid + Metel carbonad -->

Halwyn + Dwr

Halwyn

Halwyn + Carbon Deuocsid + Dwr

Halwyn + Hydrogen

6.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Fformiwla asid hydroclorig yw

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