
Test de evaluare

Quiz
•
Chemistry
•
7th Grade
•
Easy

MARIANA HOLCA
Used 4+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O reactie chimica reprezinta:
un fenomen fizic
un fenomen chimic
o proprietate fizica
o proprietate chimica
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In timpul reactiilor chimice substantele initiale se transforma:
in substante cu proprietati noi
raman neschimbate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Substantele care reactioneaza se numesc:
produsi de reactie
reactanti
substante simple
substante compuse
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este o reactie chimica:
H2 + O2 = H2O
H2 + O2 = H2 + O2
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Forma generala a unei reactii chimice este:
A + B = AB
A + B = A + B
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