Vielu oksidēšanās
Authored by Inga Melngaile
Chemistry
8th Grade
Used 35+ times
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15 questions
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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 BLANKS QUESTION
1 min • 1 pt
Aprēķini joda (I2) molmasu!
(a)
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
Jā
Nē
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Vai dotajā ķīmisko reakciju vienādojumā ir ievērots masas nezūdamības likums?
Ca + O2 -> 2CaO
Jā
Nē
7.
FILL IN THE BLANKS QUESTION
45 sec • 1 pt
Kads savienojums rodas reaģējot sēram ar skābekli?
S + O2 →
(a)
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