Quiz  /  Nomenclature Class 9 MCQ Questions With Answers

  • 1. 
    Name the compound NH4OH

  • ammonium hydroxide
  • ammonia oxyhydride
  • mononitrogen tetraoxihydride
  • hydrogen nitrate

  • 2. 
    Aluminum carbonate is written

  • AlCO3
  • Al(CO3)3
  • Al2(CO3)3
  • Al3(CO3)2

  • 3. 
    What is the charge on the calcium ion?

  • 1+
  • 2+
  • 2-
  • 1-

  • 4. 
    Name the compound HOH

  • hydrogen hydroxide
  • hydrogen dioxide
  • oxalic acid
  • hydrogen oxalate

  • 5. 
    The chemical formula of tetraphosphorus heptaoxide is

  • F₄O₁₀
  • P₄O7
  • PO
  • P₁₀O₄

  • 6. 
    The name of Mg₃N₂ is

  • manganese nitride
  • magnesium nitride
  • magnesium (III) nitride
  • trimagnesium dinitride

  • 7. 
    Name Al2S3

  • Aluminum sulfide
  • Dialuminum trisulfide
  • ammonium sulfide
  • aluminum (II) sulfice

  • 8. 
    What is the formula for Potassium Fluoride?

  • KF
  • K2F
  • KF2
  • none of the above

  • 9. 
    Name the following ionic compound: Cr(NO2)3

  • chromium nitrite
  • chromium nitride
  • chromium (III) nitride
  • chromium (III) nitrite

  • 10. 
    The chemical formula of tetraphosphorus decaoxide is

  • F₄O₁₀
  • P₄O₁₀
  • PO
  • P₁₀O₄

  • 11. 
    Which of the following is an ionic compound:

  • CH4
  • I2
  • LiBr2
  • CO

  • 12. 
    Would the following compound need a roman numeral, Greek prefix, neither, or both: N2O3

  • RN
  • GP
  • Neither
  • Both

  • 13. 
    What is the name for FeO

  • Iron oxide
  • Iron (I) oxide
  • Iron (II) oxide
  • Iron (III) oxide

  • 14. 
    What is the FORMULA forammonium sulfide

  • (NH4)2S
  • NH4 S
  • (NH4)2S4
  • NH2S

  • 15. 
    What is the name of PCl3?

  • Phosphorus trichloride
  • Monophosphorus trichloride
  • Phosphorus chloride
  • Phosphorus trichlorate

  • 16. 
    What is the formula for tin (II) chromate

  • Sn2(CrO4)4
  • Sn(CrO4)2
  • Sn4(CrO4)2
  • SnCrO4

  • 17. 
    What is the formula for lead (II) iodide

  • PbI
  • PbI2
  • Pb2I
  • LbI2

  • 18. 
    Name the following compound: SnO2

  • tin(II) oxide
  • tin(IV)oxide
  • tin(II)oxygen
  • tin oxide

  • 19. 
    What is the formula for Calcium phosphate?

  • CaPO4
  • Ca3(PO4)2
  • Ca2PO4
  • CaP

  • 20. 
    What is the FORMULA forcalcium chloride

  • CaCl2
  • Cl2Ca
  • Ca2Cl
  • CaCl

  • 21. 
    What is the name for the NO3- ion?

  • nitrate ion
  • nitrite ion
  • nitrogan ion
  • nitride ion

  • 22. 
    Classify the following compound: OF2

  • Covalent
  • Ionic/fixed
  • Ionic/variable

  • 23. 
    Disulfur trioxide

  • S3O2
  • SO
  • S2O3
  • S2O

  • 24. 
    What is the correct formula for Sodium Oxide?

  • NaO
  • NaO2
  • Na2O
  • Na2O2

  • 25. 
    What is the metallic ion in the compound CuCl?

  • Cu1+
  • Cu2+
  • Cu1-
  • Cu2-

  • 26. 
    Pb3PO4

  • Lead (I) Phosphate
  • Lead Phosphate
  • Lead (III) Phosphate
  • Lead Phosphide
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