Quiz  /  Water or Hydride of Oxygen Class 10 MCQ Questions With Answers

  • 1. 
    When naming a binary acid, the ending of the acid's base name will be

  • -ous
  • -ic
  • -ate
  • -ite

  • 2. 
    The cation in an acid is always

  • a metal
  • hydrogen
  • hydroxide
  • negatively charged

  • 3. 
    Select the name for the following acid: H2S

  • Hydrosulfuric acid
  • Sulfuric acid
  • Sulfurous
  • None of these

  • 4. 
    The reaction of copper carbonate and dilute sulfuric acid forms ....................................

  • Copper (II) sulfate+carbon dioxide+water
  • copper (II) sulfate + hydrogen
  • copper (II) sulfate + water

  • 5. 
    When the polyatomic ion in an acid ends in -ate, the root name of the polyatomic ion is followed by the ending -_____.

  • ide
  • ic
  • ous
  • ite

  • 6. 
    Barium hydroxide

  • BaOH
  • Ba2OH
  • Ba(OH)2
  • All of above

  • 7. 
    Chloric acid

  • HClO3
  • HClO2
  • HClO
  • HCl

  • 8. 
    What kind of compound produces an hydroxide ion when dissolved in water?

  • ionic compound
  • covalent compound
  • acid
  • base

  • 9. 
    CH3COOH

  • Acetic acid
  • Ethanoic acid
  • Acenous acid
  • Hydroacetic acid

  • 10. 
    Which of the followings is an acidic oxide?

  • SO2
  • H2O
  • CO
  • ZnO

  • 11. 
    Is the following compound an acid or a base? Ca(OH)2

  • Acid
  • Base

  • 12. 
    Phosphorous acid

  • H3PO4
  • H2PO4
  • H3P
  • H3PO3

  • 13. 
    Hydrochloric acid

  • HCl
  • HClO
  • H3ClO3
  • HClO3

  • 14. 
    In a neutralization reaction, what are the products of a reaction between an acid and a base?

  • Another acid and base
  • Carbon dioxide and a salt
  • Water and a salt
  • Either two acids or two bases

  • 15. 
    What kind of compound produces a hydrogen ion when dissolved in water?

  • ionic compound
  • covalent compound
  • acid
  • base

  • 16. 
    Sodium hydrogen carbonate when added to acetic acid evolves a gas .which of the statement is true about the gas evolved

  • it turns lime water milky
  • it burns with a pop sound
  • it changes the soln colorless
  • it has a pungent smell

  • 17. 
    Mg(OH)2

  • magnesium hydroxide acid
  • hydromagnesium acid
  • magnesium oxygen hydride
  • magnesium hydroxide

  • 18. 
    Nitrous Acid

  • HNO2
  • H2NO2
  • HNO3
  • All of above

  • 19. 
    Which has a pH below 7?

  • Acid
  • Base

  • 20. 
    Acids are substances that release H+ ions when dissolved in water.

  • True
  • False

  • 21. 
    When the polyatomic ion in an acid ends in -ite, the root name of the polyatomic ion is followed the ending -_____.

  • ide
  • ic
  • ous
  • ite

  • 22. 
    Which oxide is able to react with HNO3?

  • MgO
  • CO2
  • NO2
  • CO

  • 23. 
    Hydroiodic acid

  • H2I2
  • H1I1
  • HI
  • None of these
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