Železo

Quiz

•

Biology

•

12th Grade

•

Hard

Nikola Varholiková

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Čo nepatrí medzi triádu železa?

Fe

Co

Cu

Ni

2.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

AKý je vzorec magnetitu?

3.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

Ako sa volá ,,stroj", v ktorom sa spracúva železo?

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Čo nie je vstupný materiál pri výrobe železa?

koks

troska

železo

oceľ

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Koľko % uhlíka obsahuje oceľ?

do 1,7%

3-4%

do 0,7%

nad 1,7%

6.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

Ktorý prvok z triády železa je súčasťou vitamínu B₁₂? (značka prvku)

7.

OPEN ENDED QUESTION

1 min • 1 pt

Prečo sa surové železo ďalej spracováva?

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