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Proizvodnja i svojstva metala

Authored by Marjana Radonić

Instructional Technology

7th Grade

Used 28+ times

Proizvodnja i svojstva metala
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10 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Zajednička svojstva svih metala su :

dobro provode toplinu

imaju malu gustoću

dobro provode električnu struju

su otporni na hrđu

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Zaokruži materijal koji nije metal već legura

zlato

bronca

željezo

bakar

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Najpoznatija legura željeza je:

mjed

bronca

čelik

kositar

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Željezo se proizvodi taljenjem:

koksa

troske

sirovog željeza

željezne rude

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bronca je legura bakra i:

cinka

kositra

ugljika

željeza

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nehrđajući čelik naziva se još:

mjed

krom

kositar

prokrom ili inox

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Troska je naziv za:

ostatke rastaljene željezne rude

vrstu ugljena koji se koristi za taljenje željeza

rudu željeza

leguru željeza

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