REACTII CU FORMARE DE PRECIPITAT
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
NICOLETA PINGHIREAC
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
PRECIPITATUL ESTE
substanta solida,greu solubila ce rezulta din reactia a doua solutii lichide sau dintr-o
solutie lichida si o substanta gazoasa
substanta lichidă, ce rezulta din reactia a doua solutii lichide sau dintr-o
solutie lichida si o substanta gazoasă
substanta solida, ușor solubilă ce rezulta din reactia a doua solutii solide sau dintr-o
solutie lichida si o substanta gazoasa
substanta gazoasă,ce rezulta din reactia a doua solutii lichide sau dintr-o
solutie lichida si o substanta gazoasa
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
lSOLUBILITATEA ESTE
numarul maxim de moli (grame) de substanta ce poate fi dizolvata de 1L solutie la o anumita temperatura
numarul minim de moli (grame) de substanta ce poate fi dizolvata de 1L solutie la o anumita temperatura
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Substantele precipita cand solutia devine saturata
adevărat
fals
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
CATEGORII DE PRECIPITATE
acizi
săruri
baze
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sărurile nu pot fi halogenuri, carbonați sau sulfuri.
adevărat
fals
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identificați halogenuri
FeS ,CuS ,PbS
CaCO3 ,MgCO3
AgBr ,AgI ,PbI2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identificați carbonati
AgCl ,AgBr ,Ag
MnS ,FeS ,CuS
CaCO3 ,MgCO3
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