Evaluare sumativă clasa a VIII-a
8th Grade
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Evaluare sumativă clasa a VIII-a
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Constantin Ichim
Used 186+ times
FREE Resource
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
În alimentație folosim ....
clorură de calciu
clorură de potasiu
clorură de sodiu
clorură de fier
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Creta este ...
CaCl2
CaS
CaO
CaCO3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Reacția dintre un acid și o bază se numește ....
combinare
neutralizare
descompunere
oxidare
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Recunoști formulele bazelor după prezența ...
SO4
CO3
OH
NO3
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Acidul clorhidric se recunoaște cu ...
NaNO3
AgNO3
Mg(NO)3
KNO3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bazele colorează fenolftaleina în ..
albastru
violet
roșu carmin
incolor
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Oxidul feroferic are formula ....
FeO
Fe2O3
FeOH
Fe3O4
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