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Nemetali

Authored by Dragana Tomic

Chemistry

8th Grade

Used 2+ times

Nemetali
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7 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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Azot ima primenu :

za konzerviranje hrane

za punjenje akumulatora

za sterilizaciju suvog voća

u aparatima za gašenje požara

2.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

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Koja alotropske modifikacija ugljenika provodi električnu struju?

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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potpunog sagorevanja ugljenika

nepotpunog sagorevanja ugljenika

4.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

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Koji gas lakši od vazduha je zapaljiv a ima ga u svemiru ?

5.

MULTIPLE CHOICE QUESTION

20 sec • Ungraded

Sumpor, fosfor, hlor i fluor se ne rastvaraju dobro u vodi zbog toga što su to :

polarne supstance

nepolarne supstance

6.

DRAW QUESTION

20 sec • Ungraded

Nacrtaj između dva atoma kiseonika odgovarajuću kovalentnu vezu u njegovom molekulu :

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7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Na kojoj slici je prikazan sumpor?

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