This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 2 Acids, Bases And Salts – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is amphoteric in nature? A) Zinc Oxide. B) Aluminium Oxide. C) Beryllium Hydroxide. D) All of these. Show Answer Correct Answer: D) All of these. 2. All bases are alkalies but all alkalies are not bases? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 3. Which of the following is the most accurate way of showing neutralization? A) Acid + Base > Acid-base solution. B) Acid + Base > Salt + Water. C) Acid + Base > Neutral Solution. D) All the above. Show Answer Correct Answer: B) Acid + Base > Salt + Water. 4. Which of the foll are present in dil aqueous soln of HCL A) H3O+ +CL-. B) H30+ +OH-. C) CL+ +OH-. D) UNIONISED HCL. Show Answer Correct Answer: A) H3O+ +CL-. 5. PH scale of a neutral solution is ..... A) 10. B) 5. C) 7. D) 3. Show Answer Correct Answer: C) 7. 6. A way to measure the concentration of hydrogen ions in a solution is to use a(n) ..... A) Indicator. B) Litmus. C) PH scale. D) Acid. Show Answer Correct Answer: C) PH scale. 7. Acids are substances that release H$^{+}$ ions when dissolved in water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. If a few drops of concentrated acid accidentally spills over the hand of a student, what should be done A) Wash the hand with saline solution. B) Wash the hand immediately with plenty of water and apply a soln of sodium hydrogen carbonate. C) After washing apply soln of sodium hydroxide. D) Neutralise the acid wih a strong alkali. Show Answer Correct Answer: B) Wash the hand immediately with plenty of water and apply a soln of sodium hydrogen carbonate. 9. Which one of the following is required to identify the gas evolved when dilute hydrochloric acid reacts with sodium carbonate? A) Blue litmus paper. B) Red litmus paper. C) A burning splinter. D) Lime water. Show Answer Correct Answer: D) Lime water. 10. What does pH measure? A) How acidic a substance is. B) How basic a substance is. C) How acidic or basic substances are. D) How many hydronium ions and acid produces. Show Answer Correct Answer: C) How acidic or basic substances are. 11. What happens when a solution of an acid is mixed with a solution of a base in a test tube?a A) Temperature of the solution increases. B) Temperature of the solution decreases. C) Temperature remains constant. D) No reaction. Show Answer Correct Answer: A) Temperature of the solution increases. 12. Which type of acid is found in Ant sting? A) Formic Acid. B) Lactic Acid. C) Oxalic Acid. D) Acetic AcidTagsexcellent. Show Answer Correct Answer: A) Formic Acid. 13. ..... is an example of an amphoteric oxide A) Aluminium oxide. B) Carbon dioxide. C) Sulphur dioxide. D) Copper oxide. Show Answer Correct Answer: A) Aluminium oxide. 14. Chemical formula of Bleaching Powder. A) Caocl $ _ {2} $. B) Cacl $ _ {2} $. C) Case $ _ {4} $. D) Ca (oh) $ _ {2} $. Show Answer Correct Answer: A) Caocl $ _ {2} $. 15. Fe(OH)3 is said to be a: A) Triacidic base. B) Tribasic acid. C) Dibasic acid. D) Diacidic base. Show Answer Correct Answer: A) Triacidic base. 16. NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base? A) Acid. B) Base. C) Neither (Neutral). D) None of the above. Show Answer Correct Answer: B) Base. 17. What is$^{}$ the name of this ion:H$_{3}$O$^{+}$? A) Helium ion. B) Hydrogen ion. C) Hepatic ion. D) Hydronium ion. Show Answer Correct Answer: D) Hydronium ion. 18. A solution reacts with crushed egg-shells to give a gas that turns lime water milky ..... A) NaCl. B) HCl. C) LiCl. D) KCl. Show Answer Correct Answer: B) HCl. 19. Sodium hydroxide turns phenolphthalein solution ..... A) Yellow. B) Pink. C) Colorless. D) Red. Show Answer Correct Answer: B) Pink. 20. What new substance in formed during nuetralisation? A) Sugar. B) Salt. C) Lemon Juice. D) Curd. Show Answer Correct Answer: B) Salt. 21. An organic substance that changes color in the presence of an acid or base A) Indicator. B) Inhibitor. C) Catalyst. D) Salt. Show Answer Correct Answer: A) Indicator. 22. A sample of soil is mixed with water and allow to settle. The soln turns yellowish orange which of the foll soln will turn the colour to greenish blue A) Lemon juice. B) Vinegar. C) Common salt. D) Antacid. Show Answer Correct Answer: D) Antacid. 23. After a compound X was added to water, the pH using indicator paper was less than 7. The resulting solution was added to some calcium carbonate and it was noted that effervescence took place. What could compound X be? A) HNO$_{3}$. B) MgO. C) $ _ {2} $ of. D) CaO. Show Answer Correct Answer: A) HNO$_{3}$. 24. A lighted splint was held over a flask in which a gas was given off. The splint went out with a pop. Which gas was given off? A) Hydrogen. B) Chlorine. C) Oxygen. D) Ammonia. Show Answer Correct Answer: A) Hydrogen. 25. How do we make a dilution? A) Add more solute. B) Remove solute. C) Remove solvent. D) Add more solvent. Show Answer Correct Answer: D) Add more solvent. ← 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 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 10Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books