
Kémia 8. - Mit tudunk most?
Authored by Niki Győri
Chemistry
7th Grade
Used 8+ times

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36 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milyen jellemzői vannak a kémiai reakcióknak?
Exoterm
Bomlás
atommag reakciók
vegyérték elektronok változásával jár
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Melyik exoterm reakció?
víz bontása
hidrogén égése
leves főzés
kacsa sütés
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milyen anyagot nevezünk savnak?
Ami protont ad le
Ami protont vesz fel
ami elektront ad le
ami elektront vesz fel
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A keverékek kémiailag tiszta anyagok?
igen
nem
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A csapvíz kémiailag tiszta anyag?
igen
nem
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A kristálycukor kémiailag tiszta anyag?
igen
nem
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A jégkockát tartalmazó desztilláltvíz keverék?
igen
nem
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