Kalsiy va magniy
9th Grade
•10 Qs
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Kalsiy va magniy
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Gavhar Pardayeva
Used 5+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dolomit formulasi?
CaCO3
CaCO3*MgCO3
CaO
CaSO4+2H2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
So'ndirilmagan ohak?
CaSO4
CaCO3
CaO
Ca(OH)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apatit formulasi?
Ca(OH)2
MgSO4*7H2O
CaSO4
Ca3(PO4)2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalsiy yer qobig'ida necha foiz bo'ladi ?
3,5%
3,35 %
5,2 %
4,8 %
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
So'ndirilgan ohak formulasi?
Ca(HCO3)2
CaCO3
Ca(OH)2
CaO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
MgCO3 ?
Magnezit
Magniy sulfat
Magniy gidrokarbonat
Magniy karbid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magniy suv bilan reaksiyaga kirishganda quyidagi mahsulotlardan qaysi biri hosil bo'ladi?
MgOH +H2
MgO
Mg(OH)2
MgO+H2
Mg(OH)2+2H2
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