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materiale metalice - test 2

Authored by cris nic

Instructional Technology

7th Grade

Used 2+ times

materiale metalice - test 2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Argintul este folosit în:

mobilier
bijuterii, monede, electronice, medicină

instalatii

gradinarit

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

alama se obtine prin alierea dintre cupru si:

plumb
zinc
aluminiu
staniu

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Fierul se extrage din bauxită (raspundeti cu da sau nu)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Fonta este un aliaj al fierului cu un conținut de carbon de

peste 2%

sub 0,2 %

peste 1,5 %

sub 2 %

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Argintul si aurul NU se folosesc in medicina ( raspundeti cu da sau nu)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

aurul este folosit in medicina de peste ... de ani

1500
5000
2000
3000

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

aluminiul se extrage din :

magnetita

zinc
bauxită
argint

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