Cs Columbus State Commun x Bb Take Test: Computer Lab: x Identify the pair in wh

Question

Cs Columbus State Commun x Bb Take Test: Computer Lab: x Identify the pair in which x CChemistry question l Ch x G magnesium dichloride for x t C https:// /webapps/assessment/take/launch jsp?course assessment id _451561 18lcourse id -113287 1&content; id 7531036 18 step null courses.cscc.edu Which is the correct formula of calcium phosphate? Ca3PO4 Ca2 (PO4)3 Ca3 (PO4)2 Ca2PO4 QUESTION 13 0.5 points Save Answer Which pair does not match between the formula and the name? H2S Hydrogen sulfide O Mno2 Manganese (IV) oxide Cuo Copper oxide HNO3 Nitric acid QUESTION 14 0.5 points Save Answer Which pair does not match between the formula and the name? Li20 lithium oxide Mg (NO3)2 Magnesium nitrate O SO2 sulfur dioxide O MgCl Magnes m dichloride HE Search the web and Windows 2:58 PM 6/4/2016

Explanation / Answer

12.

Calcium phosphate is a chemical compound. Its chemical formula is Ca3(PO4)2

Since, Ca+2, PO43-

13.

Hydrogen sulfide - H2S

Manganese dioxide - MnO2

Copper(II) oxide - CuO

Copper(I) oxide - Cu2O

Nitric acid -HNO3

Answer is copper oxide - CuO

14.

Lithium oxide -  Li2O

Magnesium nitrate - Mg(NO3)2

Sulfur dioxide - SO2

Magnesium chloride - MgCl2

Answer is Magnesium dichloride

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