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Kalsiy va magniy

Authored by Gavhar Pardayeva

Chemistry

9th Grade

Used 5+ times

Kalsiy va magniy
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10 questions

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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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