CHEMICAL FORMULA MULTIPLE CHOICE TEST

Read the questions carefully and select the best answer:
1.  It is used to express the composition of molecules and ionic compounds in terms of chemical   symbol.
     a.  chemical equation
     b.  chemical formula
     c.  chemical reaction
     d.  chemical symbol

2.  What do you call the formulas that give the true number of atoms.
     a.  empirical formula
     b.  molecular formula

3.  The charge of chemical formula should be
     a.  positive.
     b.  negative.
     c.  neutral.
     d.  both positive and negative.

4.  Which of the following is binary compound?
     a.  H3PO4
     b.  MgCl2
     c.  CuSO4
     d.  NaOH

5. Which of the following is an example of Oxyacid?
     a.  HCl
     b.  H2SO4
     c.  P2O5
     d.  Mg(OH)2

6. Which is the correct formula of sulfurous acid?
     a.  H3PO4
     b.  H3PO3
     c.  H2SO4
     d.  H2SO3

7.  Which is the correct formula of phosphoric acid?
     a.  H3PO4
     b.  H3PO3
     c.  H2SO4
     d.  H2SO3

8.  The correct formula for dinitrogen trioxide.
     a.  N2O
     b.  N2O3
     c.  N3O2
     d.  NO

9.  The correct formula for aluminum oxide.
     a.  Al3O2
     b.  Al2O3
     c.  AlO2
     d.  Al3O

10. The correct formula for copper (II) phosphite
     a.  Cu3(PO4)2
     b.  Cu2PO3
     c.  Cu3(PO3)2
     d.  Cu2(PO4)3

11. What is the correct name of H3P?
     a.  phosphoric acid
     b.  phosphorous acid
     c.  hydrophosphoric acid
     d.  hydrophosphorous acid

12.  What is the correct name of CCl4?
     a.  carbon chloride
     b.  carbon tetrachloride
     c.  carbon (IV) chloride
     d.  monocarbon tetrachloride

13.  The name of HBrO3 is
     a.  hydrobromic acid.
     b.  hydrobromous acid.
     c.  bromic acid.
     d.  bromous acid.

14.  The name of  Mn2O7 is
     a.  dimanganese pentaoxide
     b.  manganese pentaoxide
     c.  manganese oxide
     d.  manganese (VII) oxide

15.  Which of the following is an example of monoatomic cation?
     a.  ammonium ion
     b.  aluminum ion
     c.  phosphate ion
     d.  choride ion

16.  Which of the ion in no. 15 is an example of monoatomic anion?

17.  Which of the ion in no. 15 is an example of polyatomic cation?

18.  Which of the ion in no. 15 is an example of polyatomic anion?

19.  What is the name of this ion, CN-?
     a.  carbide ion
     b.  carbon ion
     c.  carbonide ion
     d.  cyanide ion

20.  Which of the following is the acetate ion?
     a.  IO3-
     b.  C2H3O2-
     c.  NO3-
     d.  O2-

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