This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 2 Acids, Bases And Salts – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 2 Acids, Bases And Salts Quiz 12 (18 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Methyl orange is A) Pink in acidic medium, yellow in basic medium. B) Yellow in acidic medium, pink in basic medium. C) Colourless in acidic medium, pink in basic medium. D) Pink in acidic medium, colourless in basic medium. Show Answer Correct Answer: A) Pink in acidic medium, yellow in basic medium. 2. What is the molarity of a solution containing 400 g of CuSO$_{4}$ (FM:159.6 g/mol) in 4.0 L of solution? A) 100 M. B) 1.6 M. C) 0.626 M. D) 0.01 M. Show Answer Correct Answer: C) 0.626 M. 3. Which of the following is NOT a strong acid? A) HCl. B) HClO5. C) H$_{2}$SO$_{}$4$_{}$. D) HNO$_{3}$. Show Answer Correct Answer: B) HClO5. 4. What would the molarity of a solution be if you took 10 mL of a 13M stock solution and made a 300 mL solution? A) 390 m. B) 230M. C) 0.43 m. D) 0.26M. Show Answer Correct Answer: C) 0.43 m. 5. It removes grease stains from clothes: A) Calcium Hydroxide. B) Magnesium Hydroxide. C) Ammonium Hydroxide. D) Aluminium Hydroxide. Show Answer Correct Answer: C) Ammonium Hydroxide. 6. What is the name of the acid King of chemicals? A) Hydrochloride acid. B) Sulfuric acid. C) Nitric acid. D) Carbonic acid. Show Answer Correct Answer: B) Sulfuric acid. 7. Antacids are used ..... A) To produce acid in the stomach. B) To produce water in the stomach. C) To neutralize excess base in the stomach. D) To neutralize excess acid in the stomach. Show Answer Correct Answer: D) To neutralize excess acid in the stomach. 8. What are acids? A) Acids are substances that taste sweet, can dissolve metals (depending on the type of acid) and are acidic in nature. B) Acids are substances that taste sour, can dissolve metals (depending on the type of acid) and are acidic in nature. C) Acids are substances that taste sour, can dissolve metals (depending on the type of acid) and are basic in nature. D) None of the above. Show Answer Correct Answer: B) Acids are substances that taste sour, can dissolve metals (depending on the type of acid) and are acidic in nature. 9. To protect tooth decay we are advised to brush our teeth regurlarly.The toothpaste is A) Acidic. B) Neutral. C) Basic. D) Corrosive. Show Answer Correct Answer: C) Basic. 10. The base which is not an alkali is: A) NaOH. B) KOH. C) NH4OH. D) With (oh) 2. Show Answer Correct Answer: D) With (oh) 2. 11. The Ph of a solution of HCL is 4. This shows that the molarity of the solution is A) 4.0m. B) 0.chm. C) 0.0001M. D) 0.001m. Show Answer Correct Answer: A) 4.0m. 12. Identify the products of the following reaction:CaCO3 + 2HCl ..... > A) Calcium hydrogen carbonate and chlorine gas. B) Calcium chloride and water. C) Calcium oxide, carbon dioxide and water. D) Calcium chloride, carbon dioxide and water. Show Answer Correct Answer: D) Calcium chloride, carbon dioxide and water. 13. What can be applied to neutralise an ant's sting? A) Milk of Magnesia. B) Calamaline Solution. C) Lime Water. D) Ammonium Hydroxide. Show Answer Correct Answer: B) Calamaline Solution. 14. A base is A) A substance that feels slippery, has a higher Ph than 7, and is often used in drain cleaner. B) Has a Ph of below 7 and can react to metal and carbonates. C) Is only found in a lab. D) Something water can never be. Show Answer Correct Answer: A) A substance that feels slippery, has a higher Ph than 7, and is often used in drain cleaner. 15. Which of the following acid is present in sour milk? A) Glycolic acid. B) Citrus acid. C) Lactic acid. D) Tartaric acid. Show Answer Correct Answer: C) Lactic acid. 16. What is made when a proton reacts with a hydroxide ion? A) Water. B) An acid. C) An alkali. D) A salt. Show Answer Correct Answer: A) Water. 17. Which of the foll statement is not correct and CO2 A) All metal carbonates react with acid to give a salt, water and CO2. B) All metal oxides react with water to give salt and acid. C) Some metals react with acids to give salt and H2. D) Some non metal oxides react with water to form an acid. Show Answer Correct Answer: B) All metal oxides react with water to give salt and acid. 18. A universal indicator is a: A) Solution of phenolphthalein. B) Solution of methyl orange. C) Solution of methyl orange and phenolphthalein. D) Mixture of many indicators. Show Answer Correct Answer: D) Mixture of many indicators. ← PreviousRelated 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