Vielu oksidēšanās

Vielu oksidēšanās

8th Grade

15 Qs

quiz-placeholder

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Vielu oksidēšanās

Vielu oksidēšanās

Assessment

Quiz

Chemistry

8th Grade

Hard

Created by

Inga Melngaile

Used 35+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kā apzīmē un mēra vielas daudzumu?

n, mol

m, g

V, l

M, g/mol

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Aprēķini joda (I2) molmasu!

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Aprēķini alumīnija sulfīda molmasu (Al2S3)!

150 g/mol

59 g/mol

118 g/mol

86 g/mol

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Aprēķini vielas daudzumu 10g ūdens.

0,56 mol

0,59 mol

0,63 mol

10 mol

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Vai dotajā ķīmisko reakciju vienādojumā ir ievērots masas nezūdamības likums?

3Mg + 2P -> Mg3P2

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Vai dotajā ķīmisko reakciju vienādojumā ir ievērots masas nezūdamības likums?

Ca + O2 -> 2CaO

7.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

Kads savienojums rodas reaģējot sēram ar skābekli?

S + O2

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