7-sinf 6-mavzu
Authored by Mahfuza Tosheva
Chemistry
7th Grade
Used 10+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na ning valentligi nechchi?
2
1
3
1,2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 valentli elementlarni aniqlang?
Al,K,Br
Ca,Cr,Li
Li,F,Cs
Sc,N,Mg
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al va B necha valentlik?
3
2
4
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 valentli elementlarni tanlang?
Ca,K,Au
Hg,Cl,Cf
Br,B,Be
Mg,Ba,Be
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qaysi elementni valenligi 2 va 3?
B,Al,N
Fe,Ni,Co
Cs,Mg,F
Fr,Na,Cd
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fosfor necha valentli?
3 va 5
2 va 3
1,3va 5
5 va 7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kimyoviy formula nimalardan tashkil topgan?
Kimyoviy belgi
indeks
nomi
kimyoviy belgi va indeks
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