
Evaluare Săruri pentru Clasa a VII-a
Quiz
•
Chemistry
•
7th Grade
•
Easy
niculina stanciugelu
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este formula chimică a sării de masă?
KCl
NaCl
CaCl2
MgSO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Piatra vânătă este....
CuS
CuCl2
CuSO4
CuCO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sărurile acidului sulfhidric sunt.....
Sulfiți
Sulfați
Sulfuri
Hidruri
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sărurile acidului sulfuric se numesc ...
Sulfuri
Sulfiți
Sulfați
Clorați
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este importanța sărurilor în agricultură?
Sărurile sunt dăunătoare pentru plante și sol.
Sărurile nu au niciun impact asupra creșterii plantelor.
Sărurile sunt folosite exclusiv pentru combaterea dăunătorilor.
Sărurile sunt importante în agricultură pentru furnizarea nutrienților esențiali plantelor și îmbunătățirea fertilității solului.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Substanța NaHSO4 se numește
Sulfit de sodiu
Sulfat acid de sodiu
Sulfură de sodiu
Acid sulfuric
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sunt săruri,dintre următoarele substanțe anorganice compuse NaOH , MgSO4,, SO2, H2S
NaOH
MgSO4
SO2
H2S
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