Class 10th Science Chapter – 2 Acids, Bases, and Salts
| Textbook | NCERT |
| Class | 10th |
| Subject | Science |
| Chapter | 2nd |
| Chapter Name | Acids Bases and Salts |
| Category | Class 10th Science |
| Medium | English |
| Source | Last Doubt |
| Class 10th Science Chapter – 2 Acids, Bases, and Salts MCQ with Answer Why are acids bases and salts important? What are 5 examples of bases? What are 3 examples of bases? What are the examples of salts? What are the 6 strong bases? Is a soap a base? What is pH value of salt? Is NaCl a base or acid? Why is sugar a base? What are the 7 weak acids? What are 3 weak bases? What are the 10 weak bases? What is the pH of milk? What is the pH of blood? What pH is lemon? What pH is sugar? What pH is water? Why is H2SO4 called an acid? What is the pH of banana? What is the pH of Coca Cola? What is the pH of apple? What is the pH of papaya?What is the pH of honey? |
Class 10th Science Chapter – 2 Acids, Bases, and Salts
Chapter – 2
Acids Bases and Salts
MCQ
| (1) Acids are those substances which furnish ions in aqueous solutins A. H+ ions B. H3O+ ions C. OH ions C. Both (ii) and (iii) Ans – (B) HO’ ions |
| (2) Identify the nature of the given solution in the beaker A. Neutral B. Basic C. Acidic D. Data insufficient Ans – (C) Acidic |
| (3) Which of the following is an inorganic acid A. lactic acid and citric acid B. acetic acid and formic acid C. Hydrochloric acid and carbonic acid D. tartaric acid and oxalic acid Ans – (C) Hydrochloric acid and carbonic acid |
| (4) Some fruits like mango, lemon, raw grapes, orange, etc., have a sour taste due to the presence of: A. Acetic acid B. Citric acid C. Lactic acid D. Oxalic acid Ans – (C) Lactic acid |
| (5) Which one of the given acids is used in the treatment of bone marrow and scurvy diseases? A. Acetic acid B. Hydrochloric acid C. Ascorbic acid D. Nitric acid Ans – (C) Ascorbic acid |
| (6) Which of the following properties is closely related to acids? A. contain the hydroxide ion B. bitter taste C. salty taste D. sour taste Ans – (D) sour taste |
| (7) Which of the following statement(s) is/are true A. The solution of acetic acid contains ions and molecules B. The solution of sulphuric acid contains ions C. both (i) and (ii) D. can’t say Ans – (C) both (i) and (ii) |
| (8) Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and gas evolved Y. A. X- Sulphuric acid and Y- Oxygen gas B. X- Hydrochloric acid and Y- Oxygen gas C. X-Sulphuric acid and Y- Hydrogen gas D. X- Hydrochloric acid and Y- Hydrogen gas Ans – (C) X-Sulphuric acid and Y- Hydrogen gas |
| (9) Alkalis are A. acids, which are soluble in water B. acids, which are insoluble in water C. bases, which are insoluble in water D. bases, which are soluble in water Ans – (D) bases, which are soluble in water |
| (10) Which metals react with dilute nitric acid to liberate hydrogen gas A. Mg and Al B. Cu and Al C. Mg and Mn D. No metal can liberate hydrogen Ans – (C) Mg and Mn |
| (11) When sodium hydrogencarbonate when added to acetic acid evolves a gas. Which of the following statements is true about the gas evolved? A. It turns lime water milky B. It extinguishes a burning splinter C. It dissolves a solution of sodium hydroxide D. It has a pungent odour Ans – (C) It extinguishes a burning splinter |
| (12) Nettle sting is a natural source of which acid? A. Methanoic acid B. Lactic acid C. Citric acid D. Tartaric acid Ans – (A) Methanoic acid |
| (13) Wasp sting contains: A. A sugar solution B. An acidic liquid C. A salt solution D. An alkaline liquid Ans – (D) An alkaline liquid |
| (14) Which of the following is a soluble base A. Cu(OH)2 B. Fe(OH)3 C. Zn(OH)2 D. KOH Ans – (D) KOH |
| (15) Sodium hydroxide is a A. weak base B. weak acid C. strong base D. strong acid Ans – (C) strong base |
| (16) Bleaching powder is used as a disinfectant for water to: A.Make water tastier B.Remove all the dirt from water C. Make water germ-free D. Make water clear Ans – (C) Make water germ-free |
| (17) Which of the following statements is true for bases A. Sour and change red litmus to blue B. Sour and change blue litmus to red C. Bitter and change red litmus to blue D. Bitter and change blue litmus to red Ans – (C) Bitter and change red litmus to blue |
| (18) When a base reacts with a metal, it forms a salt and hydrogen gas is released. By what method can the presence of hydrogen be detected? A. by water B. by litmus paper C. by methyl orange D. by a burning candle Ans – (D) by a burning candle |
| (19) When copper oxide and dilute hydrochloric acid react, colour changes to A. white B. bluish-green C. blue-black D. black Ans – (B) bluish-green |
| (20) The pH of gastric juices released during digestion is A. Less than 7 B. More than 7 C. Equal to 7 D. Equal to 0 Ans – (A) Less than 7 |
| NCERT Solution Class 10th Science All Chapters MCQ |
| NCERT Solution Class 10th Science All Chapters Notes |
| NCERT Solution Class 10th Science All Chapters Question & Answer |
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