Kimi kl 9 A
Authored by sejmir sela
Chemistry
8th Grade
Used 40+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si e ka formulen acidi fosforik
H2PO4
HF
H3PO4
H2S
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sa atome ka gjithsej formula (NH4)3PO4
18
16
20
15
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cila eshte formula e fosfatit te magnezit
(PO4) Mg3
Mg F2
Mg3(PO4)2
Mg S
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Vendos koefiçentat ne reaksion e dhene : Fe2O3+___HCl = ___FeCl3 + ___H2O
2 , 3 , 6
6 , 2 , 3 .
4 , 3 , 6
2 , 4 , 6
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sa gr Cr zhvendos 5.4 gr alumin gjate veprimit me oksidin e kromit trevalent Cr2O3
5.4 gr
54 gr
10.4 gr
12 gr
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Koeficentat qe duhet te vendosen te ky raksion : CaO +HCl = CaCl2 + H2O
- 3 . 5 . 4
1 . 2 . 1 . 1
1.1.1.2
2.1.1.2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Shumica e karbonateve te metaleve shperbehen me ane te ngrohjes ato japin :
metal + dioksid karboni
oksid metali + dioksid karboni + uje
okside metali me dioksid karboni
karbon me oksid metali
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