
Kémiai reakciók
Authored by Alexa Daroczi
Chemistry
8th Grade
10 Questions
Used 1+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Egy kémiai reakcióba belépő vegyi anyagokat .................................... nevezzük.
reakciótermékeknek
reagenseknek
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Az egyesülési reakció általános egyenlete:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A Mg(OH)2 egy :
bázis
sav
só
oxid
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A CaCO3 bomlása során keletkező anyagok:
Ca + CO2
CaC2 + O2
CaO + CO
CaO + CO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A metiloranzs indikátor oldat a HCl oldatot ........... színezi.
kékre
pirosra
sárgára
színtelenre
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1,1,1
2,2,2
2,1,2
1,2,1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 mól MgCO3 bomlása során keletkezett CO2 mennyisége:
3 mól
2 mól
1 mól
egyik sem helyes
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