This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 2 Acids, Bases And Salts – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Name the process that takes place when an acid reacts with an alkali A) Titration. B) Neutralization. C) Decomposition. D) Photosynthesis. Show Answer Correct Answer: B) Neutralization. 2. Which of the foll is acidic in nature A) Limewater. B) Humanblood. C) Lime juice. D) Antacid. Show Answer Correct Answer: C) Lime juice. 3. What is the process of Acid and Bases mixed together called? A) Explosion. B) Indication. C) Inflamation. D) Neutralization. Show Answer Correct Answer: D) Neutralization. 4. Which one of the following can be used as an acid-base indicator by a visually impaired student? A) Litmus. B) Turmeric. C) Methyl Orange. D) Vanilla essence. Show Answer Correct Answer: D) Vanilla essence. 5. Identify weak acid- A) Acetic acid. B) Nitric acid. C) Sulphuric acid. D) Hydrochloric acid. Show Answer Correct Answer: A) Acetic acid. 6. When found in food, acids often taste ..... A) Sour. B) Bitter. C) Salty. D) Slippery. Show Answer Correct Answer: A) Sour. 7. Common name of CaSO$_{4}$ 2H$_{2}$O is ..... A) Epsom Salt. B) Blue Vitriol. C) Gypsum. D) Plaster of Paris. Show Answer Correct Answer: C) Gypsum. 8. On prolong supply of CO$_{2}$ (g) in lime solution (lime-water), it is observed that A) Lime solution changes to gaseous state. B) The milkiness of lime water appears. C) The milkiness of lime water disappears. D) The colour of lime water becomes black. Show Answer Correct Answer: C) The milkiness of lime water disappears. 9. Common salt besides being used in kitchen can also be used as the raw material for making A) Washing soda. B) Calcium salts. C) Plaster of paris. D) Slaked lime. Show Answer Correct Answer: A) Washing soda. 10. The pH of a sample of pure water is 7 at room temperature. What is its pH when a pinch of sodium hydroxide is dissolved in it? A) Less than 7. B) More than 7. C) Equal to 7. D) None of these. Show Answer Correct Answer: B) More than 7. 11. Identify the products, when Ammonium hydroxide reacts with Sulphuric acid. A) Ammonium sulphate and water. B) Ammonium nitrate and Sulpuric acid. C) Ammonium sulphate and ammonium sulphate. D) Water. Show Answer Correct Answer: A) Ammonium sulphate and water. 12. A sample of solution is added methyl orange as indicator, the solution turns yellow colour, then resulting solution will be A) HCl. B) Salt. C) NaOH. D) Water. Show Answer Correct Answer: C) NaOH. 13. Which one of the following statements about strong acids is TRUE? A) Strong acids are 100% ionized in water. B) The conjugate base of a strong acid is a strong base. C) Strong acids are very concentrated acids. D) Strong acids produce solutions with a higher pH than weak acids. Show Answer Correct Answer: A) Strong acids are 100% ionized in water. 14. How are metal oxides formed? A) When metals react with oxide. B) When metals react with water. C) When metals react with air. D) When metals react with oxygen. Show Answer Correct Answer: D) When metals react with oxygen. 15. Which of the aqueous solutions has highest pH value? A) Sodium chloride. B) Potassium carbonate. C) Copper sulphate. D) Ammonium chloride. Show Answer Correct Answer: B) Potassium carbonate. 16. Acids are proton donors and bases are proton acceptors. This is according to: A) Arrhenius theory. B) Henry's Law. C) Lowry Bronsted's theory. D) None of the above. Show Answer Correct Answer: C) Lowry Bronsted's theory. 17. Calcium phosphate is present in tooth enamel its nature is A) Basic. B) Acidic. C) Neutral. D) Ampherteric. Show Answer Correct Answer: A) Basic. 18. What are the substances used to test whether another substance is acidic or basic in nature? A) Spoon. B) Bases. C) Acids. D) Indicators. Show Answer Correct Answer: D) Indicators. 19. Bases are sour in taste. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. The organic acid present in tomato is A) Malic acid. B) Tartaric acid. C) Oxalic Acid. D) Lactic acid. Show Answer Correct Answer: C) Oxalic Acid. 21. When a drop of unknown solution X is placed on a strip of pH paper, a deep red colour is produced. Identify the unknown solution. A) Sodium hydroxide. B) Hydrochloric acid. C) Acetic acid. D) Water. Show Answer Correct Answer: B) Hydrochloric acid. 22. Naturally occurring acids that are found in plants and animals are called ..... A) Organic acids. B) Mineral acids. C) Both. D) None. Show Answer Correct Answer: A) Organic acids. 23. Guava contains ..... acid. A) Citric acid. B) Carbonic acid. C) Lactic acid. D) Oxalic acid. Show Answer Correct Answer: D) Oxalic acid. 24. Acetic acid was added to a solid X kept in a test tube. A colorless and odourless gas was evolved turned limewater milky A) Solid X is sodium acetate and the gas evolved is CO$_{2}$. B) Solid X is sodium bicarbonate and the gas evolved is CO$_{2}$. C) Solid X is sodium hydroxide and the gas evolved is CO$_{2}$. D) Solid X is sodium chloride and the gas evolved is CO$_{2}$. Show Answer Correct Answer: B) Solid X is sodium bicarbonate and the gas evolved is CO$_{2}$. 25. What type of acid helps us digest our food everyday? A) Tartaric Acid. B) Acidic Acid. C) Hydrochloric Acid. D) Lactic Acid?. Show Answer Correct Answer: C) Hydrochloric Acid. ← 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 8Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 9Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books