This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 2 Acids, Bases And Salts – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The acid obtained from curd is- A) Oxalic acid. B) Tartaric acid. C) Acetic acid. D) Lactic acid. Show Answer Correct Answer: D) Lactic acid. 2. Which of the followings is an acidic oxide? A) SO$_{2}$. B) H$_{2}$O. C) CO. D) ZnO. Show Answer Correct Answer: A) SO$_{2}$. 3. Which of the following salts does not contain water of crystallisation? A) Blue Vitriol. B) Baking soda. C) Washing soda. D) Gypsum. Show Answer Correct Answer: B) Baking soda. 4. A solution turns red litmus blue, its pH is likely to be- A) 1. B) 4. C) 5. D) 10. Show Answer Correct Answer: D) 10. 5. 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 "2" . B) The substance is a base. C) The substance has a pH value of "7" . D) The substance is acidic. Show Answer Correct Answer: D) The substance is acidic. 6. 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. 7. 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. 8. The pH of a solution is 3.When its pH changes to 5, then H+ ion concentration- A) Increases two times. B) Decreases two times. C) Increases 100 times. D) Decreases 100 times. Show Answer Correct Answer: D) Decreases 100 times. 9. Na$_{3}$PO$_{4 }$is ..... salt. A) Acidic. B) Basic. C) Neutral. D) None. Show Answer Correct Answer: B) Basic. 10. Which of the following is used for dissolution of gold? A) Hydrochloric acid. B) Sulphuric acid. C) Nitric acid. D) Aqua direction. Show Answer Correct Answer: D) Aqua direction. 11. An indicator that turns pink in basic medium is ..... A) Phenolphthalein. B) Turmeric Powder. C) Red litmus paper. D) Blue Litmus Paper. Show Answer Correct Answer: A) Phenolphthalein. 12. Acid is? A) A substance that reacts to metals and carbonates, and has a Ph of below 7. B) Often used in drain cleaner. C) Something that can only be found in a lab. D) A bitter tasting substance. Show Answer Correct Answer: A) A substance that reacts to metals and carbonates, and has a Ph of below 7. 13. Which of the following ions are present in dilute aqueous solution of HCl? A) H$_{3}$O$^{+ }$+ Cl$^{-}$. B) H$_{3}$0$^{+}$ + OH$^{-}$. C) Cl$^{+}$ + OH$^{-}$. D) UNIONISED HCl. Show Answer Correct Answer: A) H$_{3}$O$^{+ }$+ Cl$^{-}$. 14. Brine is an A) Aqueous solution of sodium hydroxide. B) Aqueous solution of sodium carbonate. C) Aqueous solution of sodium chloride. D) Aqueous solution of sodium bicarbonate. Show Answer Correct Answer: C) Aqueous solution of sodium chloride. 15. Sodium acetate is a ..... salt. A) Acidic. B) Basic. C) Neutral. D) None of these. Show Answer Correct Answer: B) Basic. 16. Which of the following is weak acid? A) Carbonic acid. B) Nitric acid. C) Sulphuric acid. D) Hydrochloric acid. Show Answer Correct Answer: A) Carbonic acid. 17. Which of the following is a salt:ammonia or sodium chloride? A) Ammonia. B) Sodium chloride. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sodium chloride. 18. Name the products of the following reaction:Calcium carbonate + Hydrochloric acid A) Calcium chloride + water. B) Calcium carbonate + carbon dioxide. C) Calcium chloride + hydrogen. D) Calcium chloride + carbon dioxide + water. Show Answer Correct Answer: D) Calcium chloride + carbon dioxide + water. 19. The general taste of acids and bases is respectively- A) Sweet and salty. B) Sour and salty. C) Sour and sweet. D) Sour and bitter. Show Answer Correct Answer: D) Sour and bitter. 20. An aq solution turns red lit. solution blue.Excess addition of which of the following solution would reverse the change? A) Baking powder. B) Lime. C) Ammonium hydroxide solution. D) Hydrochloric acid. Show Answer Correct Answer: D) Hydrochloric acid. 21. Aq solution of NaCl A) Brine solution. B) Chloro solution. C) Bromine solution. D) Dilute brine solution. Show Answer Correct Answer: A) Brine solution. 22. Pure water (H$_{2}$O) has a pH of 7 and would be classified as ..... A) A base. B) A neutral substance. C) Both an acid and a base. D) An acid. Show Answer Correct Answer: B) A neutral substance. 23. Which of the following salts has no water of crystallization? A) Blue Vitriol. B) Washing soda. C) Baking soda. D) Gypsum. Show Answer Correct Answer: C) Baking soda. 24. In which of the following bleaching powder is used? A) Oxidising agent in chemical industry. B) For disinfecting drinking water. C) For bleaching wood pulp in paper factories. D) All of these. Show Answer Correct Answer: D) All of these. 25. Higher the hydronium ion concentration ..... is the pH value. A) Higher. B) Lower. C) Neutral. D) Cannot be predicted on this basis. Show Answer Correct Answer: B) Lower. ← PreviousNext →Related 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 3Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 4Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 5Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 6Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 7Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 9Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 10Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books