
Metalų korozija
Quiz
•
Chemistry
•
5th Grade
•
Practice Problem
•
Hard
Elvyra Ajauskaite
Used 22+ times
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16 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Geležies paviršius suyra deguonies, vandens ir mineralinių druskų terpėje.
Nurodykite šio reiškinio pavadinimą.
2.
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1 min • 1 pt
Dauguma metalų yra ..........spalvos.
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Parašykite reakcijos lygtį arba nurodykite jei reakcija nevyksta.
Zn + CuSO4
4.
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1 min • 1 pt
Pabaigite reakcijos lygtį arba parašykite, kai reakcija nevyksta.
Cu + Cu(NO3)2
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Parašykite reakcijos lygtį arba nurodykite jei reakcija nevyksta.
Fe + CrCl3 -
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Nurodykite simbolius metalų , kurie nereaguoja su druskos rūgštimi,
Mg, Al, Cu, Ag, Fe, Zn, Ca, Cr
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Lydinys yra vienalytis ............................. (pvz., Bronza, žalvaris) mišinys.
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