This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 2 Acids, Bases And Salts – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. NaOH and KOH are also known as- A) Strong bases. B) Alkalis. C) Both. D) None. Show Answer Correct Answer: C) Both. 2. Sulfuric acid A) HSO $ _ {3} $. B) H$_{2}$SO$_{3}$. C) H$_{2}$SO$_{4}$. D) H$_{3}$SO$_{4}$. Show Answer Correct Answer: C) H$_{2}$SO$_{4}$. 3. Lichen belongs to which division of the plant kingdom? A) Thallophyta. B) Bryophyta. C) Angiosperms. D) Gymnosperms. Show Answer Correct Answer: A) Thallophyta. 4. Colour of methyl orange in alkali conditions A) Orange. B) Yellow. C) Red. D) Pink. Show Answer Correct Answer: B) Yellow. 5. The function of quick lime in soda lime mixture is to A) Absorb moisture present in soda lime. B) Increase the efficiency of soda lime. C) Increase the pH of soda lime. D) Take part in reaction with NaOH. Show Answer Correct Answer: A) Absorb moisture present in soda lime. 6. Alkalis are substances that produce OH$^{-}$ ion when dissolved in water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. Sulfuric acid reacts with sodium hydroxide to form salt X and water. Name the salt. A) Sodium sulfate. B) Sodium nitrate. C) Sodium chloride. D) None of the above. Show Answer Correct Answer: A) Sodium sulfate. 8. Where is litmus solution extracted from? A) Litmus Paper. B) Lichen. C) Oranges. D) Acids + Bases. Show Answer Correct Answer: B) Lichen. 9. The nature of calcium phosphate is present in tooth enamel is A) Basic. B) Ampherteric. C) Acidic. D) Neutral. Show Answer Correct Answer: A) Basic. 10. Which one of the foll can be used as acid-base indicator by visually impared student A) Litmus. B) Turmeric. C) Vanilla essence. D) Petunia leaves. Show Answer Correct Answer: C) Vanilla essence. 11. Which of the following salts is basic in nature? A) $NH_4NO_3$. B) $ Na_2co_3 $. C) $ NA_2SO_4 $. D) $NaCl$. Show Answer Correct Answer: B) $ Na_2co_3 $. 12. State whether the following statement is TRUE or FALSE?Cane sugar contains hydrogen and may be regarded as an acid A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 13. Neutralization reactions A) Formed from joining positive and negative ions. B) Increases OH ions. C) Froms a salt and water. D) Increases H2O ions. Show Answer Correct Answer: C) Froms a salt and water. 14. Acids react with metals to liberate ..... gas A) CO$_{2}$. B) H$_{2}$. C) H$_{2}$O. D) CO. Show Answer Correct Answer: B) H$_{2}$. 15. A dibasic acid A) Sulphuric acid. B) Nitric acid. C) Phosphoric acid. D) Hydrochloric acid. Show Answer Correct Answer: A) Sulphuric acid. 16. An extremely strong base would have a pH of ..... A) 1. B) 7. C) 9. D) 14. Show Answer Correct Answer: D) 14. 17. Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are: A) Red and blue. B) Blue and red. C) Pink and colourless. D) Colourless and pink. Show Answer Correct Answer: D) Colourless and pink. 18. Acid used as an eyewash is: A) Formic acid. B) Phosphoric acid. C) Oxalic acid. D) Boric acid. Show Answer Correct Answer: D) Boric acid. 19. Acids react with active metals to liberate: A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: D) Hydrogen. 20. Name a base that is generally used as an antacid and is called the milk of magnesia. A) NH$_{4}$(OH). B) CaO. C) Ca (oh) $ _ {2} $. D) Mg(OH)$_{2}$. Show Answer Correct Answer: D) Mg(OH)$_{2}$. 21. Nettle sting is a natural source of which acid? A) Methanoic acid. B) Lactic acid. C) Citric acid. D) Tartaric acid. Show Answer Correct Answer: A) Methanoic acid. 22. Which of the following is the conjugate base of NH$_{3}$? A) NH$_{4}$$^{+}$. B) NH$_{2}$$^{-}$. C) NH$_{4}$OH. D) None. Show Answer Correct Answer: B) NH$_{2}$$^{-}$. 23. The difference of molecules of water in gypsum and PoP is A) 5/2. B) Dad. C) 3/2. D) 1/2. Show Answer Correct Answer: C) 3/2. 24. Which of the following values would represent the pH of a strong acid? A) 1. B) 6. C) 7. D) 13. Show Answer Correct Answer: A) 1. 25. The color of red litmus paper in basic salt solution is- A) Remains Red. B) Changes to blue. C) No color change. D) Changes to violet. Show Answer Correct Answer: B) Changes to blue. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books