{"id":1732,"date":"2025-04-07T15:31:22","date_gmt":"2025-04-07T15:31:22","guid":{"rendered":"https:\/\/topperpoint.com\/?p=1732"},"modified":"2025-04-07T15:31:22","modified_gmt":"2025-04-07T15:31:22","slug":"acids-bases-and-salts-class-10-assertion-and-reason-questions","status":"publish","type":"post","link":"https:\/\/www.reilsolar.com\/ebook\/acids-bases-and-salts-class-10-assertion-and-reason-questions\/","title":{"rendered":"Acids Bases and Salts Class 10 Assertion and Reason Questions"},"content":{"rendered":"\n

Here you will get\u00a0Acids Bases and Salts Class 10 Assertion and Reason Questions<\/strong>. Assertion and Reason questions for class Science Acids Bases and Salts Class 10 Assertion and Reason Questions with answers is prepared on latest exam pattern. Students can solve\u00a0Assertion Reason question for Class 10 Chapter 2<\/strong>\u00a0to boost their preparation .\u00a0<\/p>\n\n\n\n

Assertion and reasoning question for class 10 Science Chapter 2 Acids Bases and Salts Class 10 Assertion and Reason Questions has been provided to help students tackle the question asked in board exam. Please solve these questions to check your understanding of this chapter.<\/p>\n\n\n\n

Acids, Bases and Salts Class 10 Assertion and Reason Type Questions Science Chapter 2<\/h3>\n\n\n\n

Following questions consist of two statements :\u00a0Assertion (A)<\/strong>\u00a0and\u00a0Reason (R)<\/strong>\u00a0. Answer these questions selecting the appropriate option given below :<\/p>\n\n\n\n

(i)\u00a0Both A and R are true and R is the correct explanation of A.
(ii) Both A and R are true and R is not the correct explanation of A.
(iii) A is true but R is false.
(iv) A is false but R is true.<\/p>\n\n\n\n

1. (A) Lemon juice is sour in taste.<\/p>\n\n\n\n

\u00a0 \u00a0 (R) Lemon juice turns blue litmus to red.<\/p>\n\n\n\n

Answer<\/strong><\/p>\n\n\n\n

2. (A) Clove oil is an olfactory indicator.<\/p>\n\n\n\n

\u00a0 \u00a0 (R) Smell of clove can be used to detect whether a given chemical is a strong base or a weak base.Answer<\/strong><\/p>\n\n\n\n

3. (A) Sodium hydroxide\u00a0reacts with zinc to produce hydrogen gas.<\/p>\n\n\n\n

\u00a0 \u00a0 (R) Hydrogen gas is tested by bringing a burning candle near gas bubbles.Answer<\/strong><\/p>\n\n\n\n

4. (A) Bases turns red litmus solution into blue litmus solution.<\/p>\n\n\n\n

\u00a0 \u00a0 (R) Bases give hydroxide ions in their aqueous solution.Answer<\/strong><\/p>\n\n\n\n

5. (A) Sodium hydrogencarbonate is used in soda-acid fire extinguisher.<\/p>\n\n\n\n

\u00a0 \u00a0 (R) Sodium hydrogencarbonate is a weak base.Answer<\/strong><\/p>\n\n\n\n

6. (A) If the pH\u00a0the inside the mouth decreases below 5.5,\u00a0it causes tooth decay.<\/p>\n\n\n\n

\u00a0 \u00a0 (R) The bacteria present in mouth degrades the sugar and left over food particles and produce acids that causes tooth decay.Answer<\/strong><\/p>\n\n\n\n

7. (A) When electricity is passed through and aqueous solution of sodium chloride,\u00a0it decomposes to form sodium hydroxide.<\/p>\n\n\n\n

\u00a0 \u00a0 (R) This process is known as chlor-alkali process.Answer<\/strong><\/p>\n\n\n\n

8. (A) Phenolphthalein gives pink colour in basic solution.<\/p>\n\n\n\n

\u00a0 \u00a0 (R) Phenolphthalein is a natural acid-base indicator.Answer<\/strong><\/p>\n\n\n\n

9. (A) The aqueous solution of glucose and alcohol do not show acidic nature.<\/p>\n\n\n\n

\u00a0 \u00a0 (R) Aqueous solution of glucose and alcohol do not give H+\u00a0<\/sup>ions.Answer<\/strong><\/p>\n\n\n\n

10. (A)\u00a0Bleaching powder is used as an oxidising agent in chemical industries.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R)\u00a0Bleaching powder is produced by the action of dry slaked lime.Answer<\/strong><\/p>\n\n\n\n

11. (A) Sodium carbonate is an acidic salt.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R)\u00a0Sodium carbonate is formed with weak acid and strong base.Answer<\/strong><\/p>\n\n\n\n

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\u00a0ASSERTION & REASON FOR CLASS 10\u00a0<\/th>\n<\/tr>\n
\u2022\u00a0Rise of Nationalism in Europe\u2022\u00a0Resources and Development\u2022\u00a0Sectors of Indian Economy\u2022\u00a0Agriculture
<\/strong>
\u2022\u00a0Development
<\/strong>
\u2022\u00a0Class 10 Sample Paper 2023-24<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

12. (A) Plaster of Paris is used as a plaster for supporting factored bones.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R) Plaster of Paris\u00a0is a white powder which changes to gypsum on mixing with water\u00a0and once again giving a hard solid mass.Answer<\/strong><\/p>\n\n\n\n

13. (A) Hydrochloric acid produces hydronium ions and chloride ions in aqueous solution.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R) In presence of water, base gives H+\u00a0<\/sup>ions.Answer<\/strong><\/p>\n\n\n\n

14. (A) Non metallic oxides react with bases to form salt and water.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R) Non metallic oxides are acidic in nature.Answer<\/strong><\/p>\n\n\n\n

15. (A) The process of dissolving an acid or a base in water is highly exothermic.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R) The acid must always be added slowly to the water with constant stirring.Answer<\/strong><\/p>\n\n\n\n

16. (A) Hydrochloric acid is a strong acid.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R) Hydrochloric acid completely ionises in its aqueous solution.Answer<\/strong><\/p>\n\n\n\n

17. (A) Weak acids have low electrical conductivity.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R) Strong acids and weak acids have equal concentration of hydrogen ions in their aqueous solution.Answer<\/strong><\/p>\n\n\n\n

18. (A) To dilute concentrated nitric acid, water is added slowly to the acid.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R) In this process of dilution, a lot of heat energy will be released.Answer<\/strong><\/p>\n\n\n\n

19. (A) Strength of an acid or a base decreases with dilution.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R) Ionisation of an acid or a base increases with dilution.Answer<\/strong><\/p>\n\n\n\n

20. (A) The chemical name of bleaching powder is calcium oxychloride.<\/p>\n\n\n\n

\u00a0 \u00a0 \u00a0 (R) Bleaching powder is used for disinfecting drinking water to make it free of germs.Answer<\/strong><\/p>\n\n\n\n

We hope the given\u00a0Assertion and Reason Questions for Class 10 Science Chapter 2\u00a0<\/strong>will help you. If you have any queries regarding\u00a0Assertion and Reason Questions for Class 10\u00a0Acids, Bases and Salts<\/strong>, contact us and we will get back to you soon.<\/p>\n

Here are some Assertion and Reason<\/strong> questions based on the topic Acids, Bases, and Salts<\/strong> from Class 10 Chemistry<\/strong>. These types of questions are often designed to test your understanding of the concepts as well as your ability to logically connect assertions with reasons.<\/p>\n

1. Assertion<\/strong>: Acids turn blue litmus paper red.<\/h3>\n
    \n
  • \n

    Reason<\/strong>: Acids have a sour taste and contain hydrogen ions (H\u207a) in solution.<\/p>\n<\/li>\n

  • \n

    A)<\/strong> Both Assertion and Reason are true, and the Reason is the correct explanation for the Assertion.<\/p>\n<\/li>\n

  • \n

    B)<\/strong> Both Assertion and Reason are true, but the Reason is not the correct explanation for the Assertion.<\/p>\n<\/li>\n

  • \n

    C)<\/strong> Assertion is true, but Reason is false.<\/p>\n<\/li>\n

  • \n

    D)<\/strong> Assertion is false, but Reason is true.<\/p>\n<\/li>\n<\/ul>\n

    Answer<\/strong>: A)<\/strong> Both Assertion and Reason are true, and the Reason is the correct explanation for the Assertion.<\/p>\n

    2. Assertion<\/strong>: A base is a substance that can neutralize an acid.<\/h3>\n