9. METALŲ AKTYVUMAS
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Vygandas Marozas
Used 2+ times
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5 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Remdamiesi metalų aktyvumo eile nustatykite, ar reaguos tarpusavyje šios medžiagos? GALI KELI TEISINGI ATSAKYMAI
Mg + ZnO →
Ca + K2O →
Zn + Al2O3 →
Fe + CuSO4 →
2.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Kurie iš šių metalų gali reaguoti su deguonimi? GALIMI KELI TEISINGI ATSAKYMAI
Li + O2 →
Pt + O2 →
Al + O2 →
Au + O2 →
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kaip vadinami junginiai sudaryti iš dviejų elementų, kurių vienas - deguonis?
Druskos
Oksidai
Hidroksidai
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuris iš pateiktų metalų - pats aktyviausias
Litis
Platina
Geležis
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuris iš pateiktų metų - pats inertiškiausias (neaktyviausias)
Auksas
Litis
Švinas
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