mcq class 10 CBSE
MCQs Class 10 Science Chapter 2: Acids, Bases and Salts 1. 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 Answer. b. Citric acid 2. 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 Answer. c. X- Sulphuric acid and Y- Hydrogen gas 3. The figure given below represents the experiment carried out between conc. sulphuric acid and sodium chloride, which react with each other to form HCl gas. Blue litmus paper is brought near the mouth of the delivery tube to check the presence of HCl acid but no change i...