Kemijska promjene i procesi

Kemijska promjene i procesi

9th Grade

28 Qs

quiz-placeholder

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Kemijska promjene i procesi

Kemijska promjene i procesi

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Hard

Created by

Ana Magovac

Used 7+ times

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28 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Koji će od navedenih oksida otapanjem u vodi promijeniti boju fenolftaleina u ružičastu?

Na2O

MnO2

CO2

CO

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Koji od navedenih oksida ima i kiseli i lužnati karakter?

CO2

CO

Al2O3

MgO

3.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Svojstvo atoma da jače privlači zajednički elektronski par zove se

4.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Najvišu elektronegativnost ima

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Najvišu energiju ionizacije ima

helij

fluor

neon

cezij

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Molekulska formula cikloalkana s 8- C atoma je:

C8H14

C8H16

C8H18

C8H14

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Što su pentan, 2-metilbutan, 2,2-dimetilpropan ?

su različiti alkeni

spojevi homolognog niza alkana

konstitucijski izomeri

konfiguracijski izomeri

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