Formule Chimice în viața de zi cu zi
Authored by Nicoleta Bita
Chemistry
7th Grade
Used 2+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
Care este formula chimică a oxidului de calciu
OCa
CaO
Cao
Ca(OH)2
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Care este formula varului stins
CaO
Ca(OH)2
Na2CO3
CaCO3
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Care este formula substanței din calcar?
CaC
Ca(OH)2
CaCO3
CaCl2
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Sarea de bucătărie are formula:
CaCl2
NaOH
NaCl
HCl
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Soda caustică are formula :
Na2CO3
NaCl
NaNO3
NaOH
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