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Imoibrithe Ceimiceacha

Authored by Grainne O'Loughlin

Science

3rd - 9th Grade

Used 3+ times

Imoibrithe Ceimiceacha
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cén fheidhm atá ag catalaíoch?

Chun an t-imoibriú a théamh.

Chun níos mó imoibreán a chruthú.

Chun an t-imoibriú a stopadh.

Chun imoibriú Ceimiceach a bhrostú.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fíor nó bréagach

In imoibriú ceimiceach, ní chruthaítear aon adamh nua, agus ní dhéantar aon adamh a scriosadh.

Fíor

Bréagach

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Imoibriú ceimiceach a ionsúnn teas....

Eisteirmeach

Inteirmeach

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cé acu de na roghanna seo a leanas a chothromaíonn an chothromóid thíos i gceart?


__HNO2 + __O2 -> __HNO3

2,1,1

2,1,2

3,1,2

1,2,3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Na hábhair tosaigh in imoibriú ceimiceach....

tosú

deireadh

táirgí

imoibreáin

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cad na himoibreáin i dtáirgeadh ocsaigine?

H2O2

HCl

KMnO4

H2O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cén catalaíoch a úsáidtear chun ocsaigin a dhéanamh?

H2O

Mn

MgO2

MnO2

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