CHEMIA KLASA VII

CHEMIA KLASA VII

1st - 5th Grade

25 Qs

quiz-placeholder

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CHEMIA KLASA VII

CHEMIA KLASA VII

Assessment

Quiz

Chemistry

1st - 5th Grade

Practice Problem

Medium

Created by

Izabela Kos

Used 29+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tlenek węgla (IV) ma wzór:

CO

CO2

C

O2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Wartościowość siarki wynosi (VI) w tlenku

SO2

SO3

SO

S2O

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jaki jest wzór sumaryczny tlenku wapnia, wiedząc, że wapń jest wartościowy (II)

CaO

Ca2O

CaO2

Ca2O2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Który zapis to 4 atomy siarki

S4

4S

4S4

4S4S

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Który zapis opisuje 2 trójatomowe cząsteczki tlenu

3O2

3O3

2O3

2O

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Związek powstały z Fe(III) i O(II) ma wzór

FeO

Fe3O4

Fe2O3

FeO2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

W którym związku pierwiastek połączony z tlenem jest (III) wartościowy

NO

NO2

N2O5

N2O3

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