-Konkurs kimie kl 9-te
8th Grade
•23 Qs
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-Konkurs kimie kl 9-te
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
sejmir sela
Used 17+ times
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23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ne nje reaksion kimik :
a.substancat fillestare si hyjnë ashtu dhe dalin nga reaksioni.
b.ruhet numri atomeve .
c.ndryshon masa e substancave që hyn me atë që del.
d.asnjëra prej tyre.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cili nga barazimet e meposhtme eshte i sakte :
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cili nga barazimet e mëposhtme është i gabuar :
a.2Ca + O2 =2CaO
b.2Fe+3Cl2 =2FeCl3
c.2Na +2O2 =2Na2O
d.2Al+3Cl2 =2AlCl3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gjej përgjigjen e saktë : Masa e substancave fillestare dhe përfundimtare në reaksionin e mëposhtëm :
2Na +Cl2 =2NaCl është :
a.117 g = 117 g
b.71 g = 71 g
c.90 g = 90 g
d.115 g = 115 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a.Reaksion shperberje
b.Reaksion bashkimi
c.Reaksion zevendesimi
d.Asnjera prej tyre
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gjej përgjigjen e saktë:
Reaksioni MgCO3 = MgO+CO2 është:
Reaksion zëvendësimi
Reaksion shpërbërje
Reaksion
diegie
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gjej përgjigjen e saktë:
Reaksioni Zn+CuSO4 --> ZnSO4+Cu është:
Reaksion
shpërbërje
Reaksion
zëvendësimi
Reaksion
asnjansimi
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