Acids Bases and Salts Class 10 MCQ is one of the best strategies to prepare for the CBSE Class 10 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more Acids Bases and Salts class 10, which will help them all through their board test.
Acids Bases and Salts Class 10 MCQ Questions with Answer
Class 10 Science MCQ with answers are given here to chapter 2 Acids Bases and Salts. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 10 Science syllabus. By Solving these Class 10 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 10 Annual exam.
Learn Acids Bases and Salts Class 10 MCQ with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 10 Acids Bases and Salts MCQ with answers given below.
Question 1. Which of the following is a dibasic acid ?
Question 2. When dilute hydrochloric acid is added to granulated zinc placed in a test tube, the observation made is that
(1) the surface of the metal turns shining
(2) the reaction mixture turns milky
(3) odour of chlorine is observed
(4) a colourless and odourless gas is evolved with bubbles 18. The reaction of metal with acid results in the formation of
Question 3. Why does dry HCl gas not change the colour of the dry litmus paper?
a. Blue litmus becomes dry in presence of dry HCl gas
b. No H3O+ ions will be present, litmus changes colour only in the presence of H3O+ ions
c. HCl gas acts asa dehydrating agent
d. None of the above
Question 4. How is the concentration of hydronium ions (H3O+) affected when a solution of an acid is diluted?
c. Remains the same
d. Becomes zero
Question 5. Which of the following statements is true regarding acids and bases ?
(1) Acid and bases don’t react with each other
(2) Acids mixed with bases neutralise each other
(3) Acids mixed with bases make stronger acids
(4) Acids mixed with bases make stronger bases
Question 6. Slaked lime is prepared by adding water to
(1) bleaching powder
(2) lime water
(3) milk of lime
Question 7. Which of the following is incorrectly matched ?
(1) Tomato – tartaric acid
(2) Ant sting – citric acid
(3) Citrus fruit – citric acid
(4) Curd – lactic acid
Question 8. Two solution A and B were found to have pH value of 6 and 8 respectively. The inference which can be drawn is that
(1) the acid strength of the solution B is higher than that of A
(2) A is an acid while B is a base
(3) Both are acidic solutions
(4) Both are basic solutions
Question 9. Which of the following is a strong acid ?
(1) Lactic acid
(2) Ascorbic acid
(3) Sulphuric acid
(4) Formic acid
Question 10. Plaster of Paris (CaSO4 . 1/2HO) on mixing with water sets to form
(2) (CaSO4 . 1×1/2HO)
(4) CaSO4 . 2×1/2HO
Question 11 . Acetic acid was added to a solid X kept in a test tube. A colourless and odourless gas was evolved. The gas was passed through lime water which turned milky. It was concluded that
(1) solid X is sodium hydroxide and the gas evolved is CO2
(2) solid X is sodium bicarbonate and the gas evolved is CO2
(3) solid X is sodium acetate and the gas evolved is CO2
(4) solid X is sodium chloride and the gas evolved is CO2
Question 12. Which of the following is not basic in nature ?
Question 13. The equation between an acid and a base is XOH + HY →XY + H2O Which of the following is the cation part of salt ?
Question 14. To prevent tooth decay we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is
Question 15. Plaster of Paris hardens by
(1) giving off CO2
(2) changing into CaCO3
(3) combining with water
(4) giving out water
Question 16. Which of the following is the weakest base ?
Question 17. A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains
Question 18. Which acids are highly corrosive in nature?
(1) Acetic acid and oxalic acid
(2) Acetic acid and sulphuric acid
(3) Sulphuric acid and nitric acid
(4) Carbonic acid and acetic acid
Question 19. Phenolphthalein is
(1) yellow in acidic medium, pink in basic medium
(2) pink in acidic medium, colourless in basic medium
(3) colourless in acidic medium, pink in basic medium
(4) pink in acidic medium, yellow in basic medium
Question 20. Which gas is evolved when acids react with metal carbonates ?
Question 21. Soda-acid fire extinguisher extinguishes the fire by
(1) cutting the supply of air
(2) removing the combustible substance
(3) raising the ignition temperature
(4) None of these
Question 22. Plaster of Paris is obtained
(1) by adding water to calcium sulphate
(2) by adding sulphuric acid to calcium hydroxide
(3) by heating gypsum to a very high temperature
(4) by cooling gypsum
Question 23. When sodium chloride reacts with sulphuric acid, a gas is evolved which gives dense white fumes with ammonia. Which gas is evolved?
Question 24. For dilution of concentrated acid we should add
(1) water into concentrated acid
(2) concentrated acid into water
(3) first water into acid and then more acid
(4) Both (1) and (2) are correct
Question 25. Bleaching powder gives smell of chlorine because it –
(1) is unstable
(2) gives chlorine on exposure to atmosphere
(3) is a mixture of chlorine and slaked lime
(4) contains excess of chlorine
Question 26. Identify the basic salt from the following salts:
Question 27. The acid used in making of vinegar is
(1) formic acid
(2) acetic acid
(3) sulphuric acid
(4) nitric acid
Question 28. On electrolysis of brine solution, the products formed are
(1) sodium and chlorine
(2) hydrogen, chlorine and oxygen
(3) hydrogen, chlorine and sodium hydroxide
(4) sodium hydroxide, chlorine and oxygen
Question 29. Equal volumes of hydrochloric acid and sodium hydroxide solutions of same concentration are mixed and the pH of the resulting solution is checked with a pH paper. What would be the colour obtained? (You may use colour guide in the figure given below).
(c) Yellowish green
Question 30. Which of the following phenomena occur, when a small amount of acid is added to water?
(i) Ionisation (ii) Neutralisation
(iii) Dilution (iv) Salt formation
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (ii) and (iv)
Whoever needs to take the CBSE Class 10 Board Exam should look at this MCQ. To the Students who will show up in CBSE Class 10 Science Board Exams, It is suggested to practice more and more questions. Aside from the sample paper you more likely had solved. These Acids Bases and Salts Class 10 MCQ are ready by the subject specialists themselves.
Question 31. Common salt besides being used in kitchen can also be used as the raw material for making:
(i) Washing soda (ii) Bleaching powder
(iii) Baking soda (iv) Slaked lime
(a) (i) and (ii)
(b) (i), (ii) and (iv)
(c) (i) and (iii)
(d) (i), (iii) and (iv)
Question 32. Which of the following substances will not give carbon dioxide on treatment with dilute acid?
(c) Baking soda
Question 33. Calcium phosphate is present in tooth enamel. Its nature is:
Question 34. Which one of the following can be used as an acid-base indicator by a visually impaired student?
(c) Vanilla essence
(d) Petunia leaves
Question 35. A sample of soil is mixed with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish-orange. Which of the following would change the colour of this pH paper to greenish-blue:
(a) Lemon juice
(c) Common salt
(d) An antacid
Question 36. Sodium carbonate is a basic salt because it is a salt of:
(a) Strong acid and strong base
(b) Weak acid and weak base
(c) Strong acid and weak base
(d) Weak acid and strong base
Question 37. Which one of the following statements is correct about universal indicator?
(a) It is a mixture of HCl and NaOH
(b) It is a mixture of many indicators
(c) It is a solution of phenolphthalein in alcohol
(d) It is a solution of phenolphthalein in water.
Question 38. Which of the following properties are shown by dilute HCl?
(i) It turns blue litmus red
(ii) It turns red litmus blue
(iii) It reacts with zinc and a gas is evolved
(iv) It reacts with solid sodium carbonate to give brisk effervescence
(a) 1 and 2
(b) 1 and 3
(c) 1, 3 and 4
(d) 2, 3 and 4
Question 39. Which of the following substances will not give carbon dioxide on treatment with dilute acid?
(c) Baking soda
Question 40. The colour of neutral litmus solution is
Question 41. If an unknown solution turns blue litmus red, then the pH of the solution is more likely to be
Question 42. What is the pH of a 0.00001 molar HCl solution?
Question 43. When a drop of unknown solution X is placed on a strip of pH paper, a deep red colour is produced. This sample is which one of these?
Question 44. A student tests a sample drinking water and reports its pH value as 6 at room temperature. Which one of the following might have been added in water?
(a) Calcium chloride
(b) Sodium chloride
(c) Sodium bicarbonate
(d) Bleaching powder
Question 45. The pH of which of the following samples cannot be found directly using pH paper?
(a) Lemon juice
(b) Dilute HCl
(c) Solid sodium bicarbonate
(d) Solution of a detergent.
Question 46. Which of the following natural sources contains oxalic acid?
Question 47. Solid sodium bicarbonate was placed on a strip of pH paper. The color of the strip
(a) turned red
(b) did not change
(c) turned green and slightly yellow
(d) turned pink
Question 48. Four drops of red litmus solution were added to each of the following samples. Which one turns red litmus blue?
(b) Distilled water
(c) Sodium hydroxide sol
Question 49. What are the products obtained when potassium sulphate reacts with barium iodide in an aqueous medium?
(a) KI and BaSO4
(b) KI, Ba and SO2
(c) K, I2 and BaSO4
(d) K, Ba, I2 and SO2
Question 50. Which of the following salts is basic in nature?
Question 51. The acid found in an ant sting is
(a) acetic acid
(b) citric acid
(c) tartaric acid
(d) Methanoic acid
Question 52. To relieve pain caused due to acidity, we can take
(a) sour milk
(b) lemon juice
(c) orange juice
(d) milk of magnesia
Question 53. Which one of the following is required to identify the gas evolved when dilute hydrochloric acid reacts with zinc metal?
(a) blue litmus paper
(b) red litmus paper
(c) a burning splinter
(d) lime water
Question 54. Zinc reacts with an acid as well as with a base to liberate hydrogen. On the basis of this what should be the nature of the zinc metal?
Question 55. Which of the following salts has the minimum pH value?
Question 56. You are given four unknown solutions I, II, III, and IV. The pH values of these solutions are found to be 3, 7, 8, and 10 respectively. Among the given solutions, which solution has the highest hydrogen ion concentration?
Question 57. When you test the solutions of sodium bicarbonate, sodium hydroxide, hydrochloric acid and acetic acid with universal indicator, in which case would you get a red colour?
(a) Sodium bicarbonate
(b) Hydrochloric acid
(c) Sodium hydroxide
(d) Acetic acid
Question 58. The pH of a sample of pure water is 7 at room temperature. What is its pH when a pinch of solid sodium bicarbonate is dissolved in it?
(a) vary near to 7
(b) less than 7
(c) more than 7
(d) exactly 7
Question 59. Which of the following indicators is an olfactory indicator?
Question 60. Why is universal indicator a better one than litmus paper?
(a) Litmus paper can only be used for acids.
(b) Litmus paper can only be used for alkalis.
(c) Universal indicator goes green if something is neutral.
(d) Universal indicator is useful for all ranges of pH of the solution.
Question 61. Water soluble bases are known as?
Question 62. Which one is suitable method to find the accurate pH value?
(a) pH meter
(b) pH paper
(c) Universal indicator
(d) Litmus solution
You can easily get good marks If you study with the help of Class 10 Acids Bases and Salts MCQ. We trust that information provided is useful for you. NCERT MCQ Questions for Class 10 Acids Bases and Salts PDF Free Download would without a doubt create positive results.
We hope the information shared above in regards to MCQ on Acids Bases and Salts Class 10 with Answers has been helpful to you. if you have any questions regarding CBSE Class 10 Science Solutions MCQs Pdf, write a comment below and we will get back to you as soon as possible.
Frequently Asked Question (FAQs)
How many MCQ questions are there in Class 10 Chapter 2 Science?
In Class 10 Chapter 2 Science, we have provided 62 Important MCQ Questions, But in the future, we will add more MCQs so that you can get good marks in the Class 10 exam.
Can we score good marks in Class 10 Science with the help of Acids Bases and Salts MCQ Questions?
Yes, MCQ Question is one of the best strategies to make your preparation better for the CBSE Board Exam. It also helps to know the student’s basic understanding of each chapter. So, You can score good marks in the Class 10 Science exam.