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Test de evaluare materiale metalice

Authored by Neagu Anisoara

Instructional Technology

7th Grade

Used 1+ times

Test de evaluare materiale metalice
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6 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Fonta este un aliaj al fierului cu

otel ul

carbonul

aluminiul

cuprul

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Cel mai raspandit metal din scorta terestra este

fierul

cuprul

argintul

aluminiul

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Bronzul este aliajul cuprului cu

aluminiu

magneziu

staniu

zinc

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Plumbul se foloseste la fabricarea de

baterii de masini

bijuterii

tocuri de ferestre

folii alimentare

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Fonta se obtine prin topirea si reducerea minereurilor de fier in cuptoare speciale numite

cuptoare electrice

furnale

convertizoare

cuptoare cu microunde

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Principalul minereu din care se extrage aluminiul se numeste

azuritul

galena

caseritul

bauxita

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