Egy kis mindentudó kémia
Quiz
•
Chemistry
•
7th - 8th Grade
•
Medium
Agnes Aszalos
Used 5+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nevezd meg a következő vegyi anyagot!
szénsav
salétromsav
kénsav
foszforsav
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Jelöld be a helyettesítési reakciókat !
Mg +2HCl → MgCl2 + H2 ↑
2Al + Fe2O3 → Al2O3 + 2Fe↓
H2+F2 → 2HF
2Al2O3→ 4Al + 3O2↑
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Ha 1 mól 18 g, akkor 5 mól .............. g.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mi látható a képen?
Periódusos rendszer
Mendelejev táblázat
A fémek aktivitási sora
A nemfémek aktivitási sora
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Egészítsd ki a következő reakciót a megfelelő kémiai együtthatókkal!
....KClO3 → ....KCl + ....O2 ↑
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