Skip to content Home Questions Play Progress Daily Challenge Questions › Chemistry › Acids, Bases and Salts Questions QUESTION In water treatment, which listed function is performed by chlorine? Open question → QUESTION Bleaching powder is commonly used for which of the following purposes? Open question → QUESTION Which descending order follows the usual relative basic strengths of the conjugate-base ions nitrate (NO₃⁻), chloride (Cl⁻), bromide (Br⁻) and iodide (I⁻)? Open question → QUESTION Mercury(I) chloride, Hg₂Cl₂, is commonly known as ______. Open question → QUESTION Apart from whitening fabrics, for what other purpose is bleaching powder widely used? Open question → QUESTION Assertion (A): Clove oil can be used as an olfactory indicator in acid-base reactions. Reason (R): Olfactory indicators show a change in colour when… Open question → QUESTION What are the products when a reactive metal such as zinc reacts with dilute hydrochloric acid? Open question → QUESTION Consider the following statements: 1. Bronsted and Lowry introduced their theory of acids and bases in the year 1923. 2. According to their theory,… Open question → QUESTION Which acid is characteristic of vinegar and is used as a souring agent in pickled vegetables and sauces? Open question → QUESTION In the NCERT example, why does a milkman add a very small amount of baking soda to fresh milk? Open question → QUESTION Which descending order follows the textbook trend in basic character of the listed alkali-metal hydroxides? Open question → QUESTION In the ammonia–brine process represented by NaCl + NH₃ + CO₂ + H₂O → NaHCO₃ + NH₄Cl, which listed substance is NOT a raw… Open question → QUESTION Consider the following statements: 1. The pH of curd is lower than that of milk. 2. Curd is more acidic than milk. 3. A… Open question → QUESTION Consider the following statements: 1. The presence of a high concentration of hydrogen ions indicates acidic soil. 2. Nitrogen is the key indicator of… Open question → QUESTION Who synthesised acetic acid for the first time? Open question → QUESTION Consider the following statements: 1. Muriatic acid is another common name for hydrochloric acid. 2. Hydrochloric acid is used in the production of chlorides,… Open question → QUESTION In the context of NCERT’s introductory discussion of pH in everyday life, which statement is correct? Open question → QUESTION Which of the following statements is/are correct? I. Salts of a strong acid and weak base are acidic with pH value less than 7.… Open question → QUESTION Consider the following statements: 1. Acetic acid is the main acid present in vinegar. 2. Citric acid is primarily found in citrus fruits like… Open question → QUESTION When the litmus solution is neither acidic nor basic, its colour is ______. Open question → QUESTION Which of the following is used as an antacid to neutralise stomach acidity? Open question → QUESTION Consider the following statements: 1. Hydrogen chloride (HCl) is a covalent compound formed by sharing electrons between hydrogen and chlorine atoms. 2. Sodium chloride… Open question → QUESTION The reaction between an acid and a base is known as _______. Open question → QUESTION Consider the following statements: 1. Potassium chloride is not used to treat potassium deficiency. 2. Potassium iodide is used to supplement iodine in the… Open question → Home Questions Play Progress 