Quiz  /  Applied Chemistry Class 9 MCQ Questions With Answers

  • 1. 
    This describes how easily a material can be hammered into a sheet.

  • lustre
  • ductility
  • malleability
  • conductivity

  • 2. 
    What is the chemical symbol for oxygen?

  • Ox
  • O X
  • O
  • Oxy

  • 3. 
    Does the following statement describe a chemical or a physical property? "Gasoline is flammable."

  • chemical property
  • physical property

  • 4. 
    How many protons does magnesium have?

  • 7
  • 12
  • 21
  • none of the above

  • 5. 
    This word means the same as "matter".

  • chemical
  • substance
  • energy
  • hazard

  • 6. 
    Which of the following is a positive test for oxygen gas?

  • a glowing splint bursts back into flame
  • a burning splint causes a "pop!"
  • it turns limewater cloudy

  • 7. 
    What is the common name for H₂O?

  • water
  • hydrogen peroxide
  • methane
  • methane

  • 8. 
    Bags made out of cellulose eventually dissolve in water. This means that they are

  • soluble
  • malleable
  • ductile
  • conductivity

  • 9. 
    What is the electrical charge on a proton?

  • positive
  • negative
  • neutral

  • 10. 
    A _____________ can be solid, brittle, non-conductive, and dull.

  • metal
  • non-metal

  • 11. 
    What are the components of electrochemical cell?

  • Electrode
  • Electrolyte
  • Both a and b
  • None of the above

  • 12. 
    What does this symbol mean?

  • Avoid touching or breathing in this chemical. It is poisonous.
  • Wear googles when using this chemical.
  • Use carefully around an open flame.
  • This substance can cause chemical burns.

  • 13. 
    Electrochemistry is deals with relation between

  • chemical energy to electrical
  • electrical energy to chemical
  • Both a and b
  • None of the above

  • 14. 
    What is sodium fluoride (NaF₂)?

  • element
  • compound

  • 15. 
    Substances that contain particles that are the same throughout are

  • pure substances
  • heterogeneous mixtures
  • heterogeneous compounds

  • 16. 
    A pure substance that is made up of two or more types of atoms that are joined together is called a(n) _____________________.

  • compound
  • element
  • mixture
  • ion

  • 17. 
    Which of the following is a positive test for carbon dioxide gas?

  • a glowing splint bursts back into flame
  • a burning splint causes a "pop!"
  • it turns limewater cloudy

  • 18. 
    The electrolytes of half cells are connected through a tube containing a saturated salt solution is called_________

  • Cell bridge
  • salt bridge
  • ion bridge
  • half cell

  • 19. 
    The ions which undergoes redox reaction forming respective element. The phenomenon is called

  • half cell
  • electrode
  • electrolyte
  • electrolysis

  • 20. 
    What is the electrical charge on a electron?

  • positive
  • negative
  • neutral

  • 21. 
    Anything in the universe that isn't energy.

  • PVA
  • matter
  • mass
  • volume
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