Substanțele care reacționează între ele se numesc:

Reactii chimice

Quiz
•
Chemistry
•
8th Grade
•
Hard
Tania Tania
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
reactanti
produsi de reactie
baze
acizi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reactiile endoterme sunt reactiile care degaja caldura
Adevarat
Fals
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care e formula reactiei de substitutie?
A+B-->AB
A+BC--> AC+B
AB+BC--> CB+AD
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O reacție chimică este ...
sublimarea
arderea
dizolvarea
condensarea
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reprezentarea unei reactii chimice cu ajutorul simbolurilor si al formulelor chimice se numeste:
ecuatia reactiei chimice
formula chimică a substantei
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reactia endoterma e opusul reactiei exoterme
adevarat
fals
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este principala diferenta intre reactiile endoterme si cele exoterme?
Reactiile endoterme degaja caldura, iar cele exoterme absorb caldura
Reactiile endoterme sunt intotdeauna rapide, iar cele exoterme sunt lente
Reactiile endoterme au mereu un catalizator, iar cele exoterme nu
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