Kimi klasa 11
Quiz
•
Chemistry
•
11th Grade
•
Hard
sejmir sela
Used 8+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Pyetje me alternativa
1. Rëndësia e tretësirave për jetën në tokë lidhet edhe me faktin se shumë reaksione kimike zhvillohen në to. Njëra nga tretësirat e mëposhtme shpërbashkohet pjesërisht në ujë. Ajo është:
A) K2SO4
B) HCl
C) NaOH
D) H2S
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
2. Një nxënës përgatiti tretësira të ndryshme në laborator. Njëra nga tretësirat e mëposhtme përmban 2 mol substancë të tretura në të, ajo është:
A) 0,5 l tretësirë 0,2M
B) 200ml tretësirë 0,01M
C) 5l tretësirë 2 M
D) 20l tretësirë 0,1M
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
3.Masa në gram e 6,02· 1023 atomeve brom është:
a)0,8 gram
b)8 gram
c)80 gram
d)160 gram
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
4.Janë përzier 1,3 litra tretësirë 1,3M me 700 mililtra tretësirë o,7M KOH.Përqëndrimi molar itretësirës së përftuar është: 1 pikë
a)0,1 M
b)0,5 M
c) 1M
d) 1,2 M
5.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
1.E Vërtetë apo e gabuar: 1 pikë
Formula e saktë e sulfatit të aluminit janë AlSO4 dhe AlS3
e vertete
e gabuar
6.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
1.Gjysmëreaksioni qё paraqet procesin e reduktimit ёshtё:
A) Zn2+ + 2e─→ Zn0
B) Zn0 + 2e─→ Zn2+
C) Zn → Zn2+ + 2e─
D) Zn2+ →Zn + 2e─
7.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
2.Cili nga metalet e mёposhtёm nxirret nga xeherorёt e tij me anё tё nxehjes me karbon?
A) Ca
B) Al
C) Fe
D) Mg
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