Cynhyrchu Copr Sylffad

Cynhyrchu Copr Sylffad

10th Grade

10 Qs

quiz-placeholder

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Cynhyrchu Copr Sylffad

Cynhyrchu Copr Sylffad

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Medium

Created by

E Evans

Used 18+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Beth yw fformiwla copr sylffad?

CuSO3

CuSO4

CuS

CuO

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pa un o'r canlynol sydd angen i gynhyrchu copr sylffad o gopr ocsid?

Asid Hydroclorig

Asid Sylffwrig

Asid Nitrig

Asid Ethanoig

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pa hafaliad sy'n gytbwys ac yn dangos yr adwaith rhwng copr ocsid ac asid sylffwrig?

CuO + H2SO4 → CuSO4 + H2O

CuO + HCl → CuCl2 + H2O

CuO + H2SO4 → CuSO4 + H2O + CO2

CuO + CH3COOH → Cu(CH3COO)2 + H2O

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Beth yw lliw crisialau copr sylffad?

Gwyrdd

Glas

Du

Gwyn

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Pa gemegolion gellir eu defnyddio i gynhyrchu copr sylffad?

Copr Ocsid

Copr Carbonad

Copr Clorid

Asid sylffwrig

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pam bod angen gormodedd o solid?

Er mwyn i'r carbonad i gyd i adweithio

Er mwyn i'r asid i gyd i adweithio

Er mwyn i'r ocsid i gyd i adweithio

Er mwyn i'r crisialau fod yn las

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pa nwy caiff ei ryddhau wrth i gopr carbonad adweithio gydag asid sylffwrig?

Ocsigen

Hydrogen

Carbon deuocsid

Nitrogen

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