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Druskos - chemijos pramonės žaliava

Authored by Lorenta Juškienė

Chemistry

9th Grade

Used 58+ times

Druskos - chemijos pramonės žaliava
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Kokias medžiagas gauname, atliekant NaCl tirpalo elektrolizę?

Cl2, NaOH, O2

Cl2, KOH, O2

Cl2, KOH, H2

Cl2, NaOH, H2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

NaCl tirpalo elektrolizės metu Cl- jonai judės link:

Katodo

Anodo

Liks tirpale

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

NaCl vandeniniame tirpale elektrolizės metu nesusidaro:

NaOH

Metalinis Na

H2 dujos

Cl2 dujos

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Ant katodo vyksta:

Oksidacija

Redukcija

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Ant anodo vyksta:

Oksidacija

Redukcija

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Atliekant NaCl vandeninio tirpalo elektrolizę, H2 dujos išsiskirs ant

Anodo

Katodo

Neišsiskirs

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Kuris teiginys neteisingas?

oksidatorius prisijungia elektronus

and anodo vyksta oksidacija

oksidacijos metu prijungiami elektronai

ant katodo vyksta redukcija

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