This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Acids > Class 10 Science Chapter 2 Acids, Bases And Salts – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a base dissolves in water by what name is it better known? A) Neutralization. B) Alkali. C) Basic. D) Acid. Show Answer Correct Answer: B) Alkali. 2. Which one of the following metals reacts both with acid and base and releases hydrogen gas? A) Cu. B) Zn. C) Fe. D) Na. Show Answer Correct Answer: B) Zn. 3. What are acidic oxides? A) Another name for non-metallic oxides. B) Oxides which react with water and form acids. C) All the above. D) None of the above. Show Answer Correct Answer: B) Oxides which react with water and form acids. 4. Which is the correct set of acid properties: A) Sweet taste, slippery, change litmus from blue to red. B) Sour taste, corrosive, change litmus from blue to red. C) Sour taste, corrosive, change litmus from red to blue. D) Sour taste, slippery, change litmus from blue to red. Show Answer Correct Answer: B) Sour taste, corrosive, change litmus from blue to red. 5. If a substance has pH value of 14, that means it is a ..... A) Strong acid. B) Strong alkali. C) Weak acid. D) Weak alkali. Show Answer Correct Answer: B) Strong alkali. 6. What is used to disinfect water? A) Bleaching Powder. B) Sodium Hydroxide. C) Sodium carbonate. D) Baking Soda. Show Answer Correct Answer: A) Bleaching Powder. 7. What is the chemical Formula for Baking Soda? A) On $ _ {2} $ co $ _ {3} $. B) NaHCO$_{3}$. C) Case $ _ {4} $. 10h $ _ {2} $ 0. D) None of the Above. Show Answer Correct Answer: B) NaHCO$_{3}$. 8. When excess of Carbon dioxide is passed through lime water-the milkiness disappears due to A) Formation of soluble CaCO$_{3}$. B) Formation of insoluble Ca(HCO$_{3}$)$_{2}$. C) Formation of insoluble CaCO$_{3}$. D) Formation of soluble Ca(HCO$_{3}$)$_{2}$. Show Answer Correct Answer: D) Formation of soluble Ca(HCO$_{3}$)$_{2}$. 9. Which list of salts are all insoluble in water? A) Potassium sulfate, potassium carbonate, copper chloride. B) Sodium sulfate, ammonium carbonate, magnesium chloride. C) Copper sulfate, sodium carbonate, potassium chloride. D) Lead sulfate, copper carbonate, silver chloride. Show Answer Correct Answer: D) Lead sulfate, copper carbonate, silver chloride. 10. TRUE OR FALSE:Acidic oxides dissolve in water while basic oxides are insoluble A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. Which one will not change red litmus to blue? A) NaOH. B) HCl. C) Any otheruce. D) KOH. Show Answer Correct Answer: B) HCl. 12. Lime juice and orange juice contain: A) Lactic acid. B) Ethanoic acid. C) Malic acid. D) Citric acid. Show Answer Correct Answer: D) Citric acid. 13. All bases are soluble in water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 14. Tomato is a natural source of which acid? A) Tartaric acid. B) Acetic acid. C) Oxalic acid. D) Citric acid. Show Answer Correct Answer: C) Oxalic acid. 15. From which plant litmus is extracted A) Lichens. B) Neem. C) China rose. D) Roses. Show Answer Correct Answer: A) Lichens. 16. Chemical formula of baking soda is Na$_{2}$CO$_{3}$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 17. A compound X on reaction with a test tube of copper (II) oxide produced a blue coloured solution, releasing a colourless gas which puts out a burning splint with a pop sound. Identify the compound: A) Acid. B) Alkali. C) Base. D) Salt. Show Answer Correct Answer: A) Acid. 18. Acetic acid is a naturally occurring acid from natural source ..... A) Tamarind. B) Tomato. C) Sour milk (Curd). D) Vinegar. Show Answer Correct Answer: D) Vinegar. 19. Compound used for preparation of baking powder. A) NaHCO $ _ {3} $. B) NaCl. C) On $ _ {2} $ co $ _ {3} $. D) NaOH. Show Answer Correct Answer: A) NaHCO $ _ {3} $. 20. Which of the following does not form an acidic salt? A) Carbonic acid. B) Sulphuric acid. C) Phosphoric acid. D) Hydrochloric acid. Show Answer Correct Answer: A) Carbonic acid. 21. What is the chemical formula for Acetic Acid/Ethanoic Acid/Vinegar? A) C$_{2}$H$_{5}$OH. B) (COOH)$_{2}$. C) CH$_{3}$COOH. D) HCOH. Show Answer Correct Answer: C) CH$_{3}$COOH. 22. Salts of Sulphurous acid (H $_{2}$SO$_{3}$) is named as- A) Sulphates. B) Sulphites. C) Sulphide. D) None. Show Answer Correct Answer: B) Sulphites. 23. What colour does Universal Indicator turn in a solution of pH 6? A) Turquoise. B) Dark green. C) Yellow. D) Red. Show Answer Correct Answer: C) Yellow. 24. Complete this equation:sulphuric acid + potassium hydroxide ..... > A) Potassium sulfate + hydrogen. B) Potassium chloride + water. C) Potassium oxide + hydrogen. D) Potassium sulfate + water. Show Answer Correct Answer: D) Potassium sulfate + water. 25. Which gases are evolved in chloro alkali process A) Hydrogen and chlorine. B) Chlorine and oxygen. C) Hydrogen and oxygen. D) Carbon dioxide and Oxygen. Show Answer Correct Answer: A) Hydrogen and chlorine. 26. A child got stung by a bee. Some of the Elders suggest to add Baking Soda or Lemon Juice. Which one do you think is Appropriate? A) Lemon Juice. B) Water. C) Baking Soda. D) None of the Above. Show Answer Correct Answer: C) Baking Soda. 27. Which of the following is not a acidic salt? A) NH4CL. B) COSO4. C) FeCl3. D) CH3Coon. Show Answer Correct Answer: D) CH3Coon. 28. Which of the following indicators turn red in an acidic solution? A) Methyl orange. B) Red litmus. C) Phenolphthalein. D) Turmeric. Show Answer Correct Answer: A) Methyl orange. 29. Salts formed by the reaction of strong acid and strong base are ..... salts. A) Acidic salts. B) Basic salts. C) Neutral salts. D) None. Show Answer Correct Answer: C) Neutral salts. 30. Identify basic salt. A) Copper acetate. B) Sodium acetate. C) Ammonium chloride. D) Sodium chloride. Show Answer Correct Answer: B) Sodium acetate. 31. What is the number of water of crystallization in Copper sulphate crystals? A) 4. B) 5. C) 2. D) 3. Show Answer Correct Answer: B) 5. 32. 20 mL of a solution of NaOH is found to be completely neutralised by 16 mL of a given solution of HCl. If we take 40 mL of the same solution of NaOH, the amount of HCl solution (the same solution as before) required to neutralise it will be A) 80 ml. B) 10 ml. C) 32 ml. D) 8 ml. Show Answer Correct Answer: C) 32 ml. 33. Metal hydrogen carbonates react with acids to give A) Salt, water, chlorine. B) Salt, water and carbon di oxide. C) Salt and carbon di oxide. D) Salt, hydrogen and carbon dioxide. Show Answer Correct Answer: B) Salt, water and carbon di oxide. 34. An aqueous soln turns red lithmus blue. excess addition of which of the following would reverse the change A) Ammonium hydroxide solution. B) HCL. C) Baking powder. D) Lime. Show Answer Correct Answer: B) HCL. 35. Which of the following is not a dibasic acid? A) Sulphuric acid. B) Acetic acid. C) Sulphurous acid. D) Carbonic acid. Show Answer Correct Answer: B) Acetic acid. 36. All solutions that fall between 0 and 6.9 are A) Neutral. B) Phytoplankton. C) Bases. D) Acids. Show Answer Correct Answer: D) Acids. 37. An indicator is? A) A PS4 game where you pretend to direct traffic. B) A lab manual or guide. C) Something only scientists in a lab can use. D) Something like litmus paper that can tell you if a substance is acidic or basic. Show Answer Correct Answer: D) Something like litmus paper that can tell you if a substance is acidic or basic. 38. An alkali is a compound which when dissolved in water yields: A) Ammonium ions. B) Hydronium ions. C) Hydrogen ions. D) Hydroxyl ions. Show Answer Correct Answer: D) Hydroxyl ions. 39. Four solutions are tested and found to have the following pH values. Which of these substances would be considered the weakest acid? A) Lemon Juice-pH=2. B) Apple Juice-pH=4.5. C) Hydrogen Peroxide-pH=7. D) Shower Cleaner-pH=5.5. Show Answer Correct Answer: D) Shower Cleaner-pH=5.5. 40. What is formed when zinc reacts with sodium hydroxide? A) Zinc hydroxide and sodium. B) Sodium zincate and hydrogen gas. C) Zinc oxide and hydrogen gas. D) Sodium zincate and water. Show Answer Correct Answer: B) Sodium zincate and hydrogen gas. 41. An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change? A) Lime. B) Hydrochloric acid. C) Baking powder. D) Ammonium hydroxide solution. Show Answer Correct Answer: B) Hydrochloric acid. 42. Calculate the pH of 2 x 10$^{-1}$ M HCl; Take log 2 = 0.3 A) 0.7. B) 1.3. C) 1. D) 2. Show Answer Correct Answer: A) 0.7. 43. Solution of sodium hydrogen carbonate is alkaline in nature. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 44. Plaster of Paris is obtained by heating: A) Acetic acid. B) Sodium chloride. C) Limestone. D) Gypsum. Show Answer Correct Answer: D) Gypsum. 45. Sting of an ant contains A) Milk of magnesia. B) Vinegar. C) Formic acid. D) Common salts. Show Answer Correct Answer: C) Formic acid. 46. What range of values on the pH scale represent solutions with a higher ratio of hydronium (H$_{3}$O$^{+}$) ions? A) 0-14. B) Below 7. C) 7. D) Above 7. Show Answer Correct Answer: B) Below 7. 47. The acid obtained from curd is- A) Lactic acid. B) Oxalic acid. C) Tartaric acid. D) Acetic acid. Show Answer Correct Answer: A) Lactic acid. 48. Which of the followings is an acidic oxide? A) ZnO. B) H$_{2}$O. C) CO. D) SO$_{2}$. Show Answer Correct Answer: D) SO$_{2}$. 49. Which of the following salts does not contain water of crystallisation? A) Blue Vitriol. B) Gypsum. C) Baking soda. D) Washing soda. Show Answer Correct Answer: C) Baking soda. 50. A solution turns red litmus blue, its pH is likely to be- A) 5. B) 1. C) 10. D) 4. Show Answer Correct Answer: C) 10. 51. When you place blue litmus paper into an unknown clear solution, the blue litmus paper turns red.Which of the following represents the most logical conclusion? A) The substance has a pH value of "7" . B) The substance has a pH value of "2" . C) The substance is a base. D) The substance is acidic. Show Answer Correct Answer: D) The substance is acidic. 52. Which of the following is the best remedy in case you get stung by a Bee? A) Wash it with soap and water. B) Apply Ice on it. C) Apply Milk on it. D) Pour Turpentine Oil on it. Show Answer Correct Answer: A) Wash it with soap and water. 53. Which of the following is an acid given below? A) C$_{2}$H$_{5}$OH. B) CH$_{3}$COOH. C) C $ _ {2} $ h $ _ {5} $ for. D) All the above. Show Answer Correct Answer: B) CH$_{3}$COOH. 54. The pH of a solution is 3.When its pH changes to 5, then H+ ion concentration- A) Increases 100 times. B) Decreases two times. C) Increases two times. D) Decreases 100 times. Show Answer Correct Answer: D) Decreases 100 times. 55. Na$_{3}$PO$_{4 }$is ..... salt. A) Acidic. B) Basic. C) Neutral. D) None. Show Answer Correct Answer: B) Basic. 56. Which of the following is used for dissolution of gold? A) Hydrochloric acid. B) Nitric acid. C) Aqua direction. D) Sulphuric acid. Show Answer Correct Answer: C) Aqua direction. 57. An indicator that turns pink in basic medium is ..... A) Red litmus paper. B) Phenolphthalein. C) Blue Litmus Paper. D) Turmeric Powder. Show Answer Correct Answer: B) Phenolphthalein. 58. Which of the following ions are present in dilute aqueous solution of HCl? A) H$_{3}$O$^{+ }$+ Cl$^{-}$. B) UNIONISED HCl. C) Cl$^{+}$ + OH$^{-}$. D) H$_{3}$0$^{+}$ + OH$^{-}$. Show Answer Correct Answer: A) H$_{3}$O$^{+ }$+ Cl$^{-}$. 59. Sodium acetate is a ..... salt. A) Acidic. B) Basic. C) Neutral. D) None of these. Show Answer Correct Answer: B) Basic. 60. Which of the following is weak acid? A) Nitric acid. B) Carbonic acid. C) Hydrochloric acid. D) Sulphuric acid. Show Answer Correct Answer: B) Carbonic acid. ← PreviousNext →Related QuizzesScience QuizzesClass 10 QuizzesClass 10 Science Chapter 2 Acids, Bases And Salts Quiz 1Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 2Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 4Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 5 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books