Skip to content Home Questions Play Progress Daily Challenge Questions › Chemistry Questions 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 → QUESTION Which of the following are examples of synthetic indicators in chemistry? I. Methyl orange II. Phenolphthalein Open question → QUESTION When an acid reacts with a hydroxide base in aqueous neutralisation, what are the products? Open question → QUESTION At 25°C, what is the approximate pH of 100 mL of aqueous solution containing 0.01 mol of NaOH? Assume complete dissociation and ideal concentration… Open question → QUESTION Match the substances in Column A with their commonly associated acids in Column B. Column A | Column B i. Lemon | a. Tartaric… Open question → QUESTION What is the correct method for diluting a concentrated acid with water? Open question → QUESTION Consider the following statements: 1. Alkalis are bases that are soluble in water. 2. All alkalis are bases, but not all bases are alkalis.… Open question → QUESTION Which radioactive isotope, with a half-life commonly stated as about 5730 years, is used to estimate the age of organic materials such as paper… Open question → QUESTION Which element takes its name from Cyprus, the island shown in the Royal Society of Chemistry’s illustration for that element? Open question → QUESTION Which of the following gases plays an important role in welding titanium, aluminium, stainless steel, and magnesium? Open question → QUESTION Consider the reaction of heated iron with steam. 1. A gas is evolved during this reaction. 2. The evolved gas is methane. Which statements… Open question → QUESTION Which salt forms when zinc reacts with dilute sulfuric acid? Open question → QUESTION Which of the following is used as a substitute of mercury in thermometers? Open question → QUESTION Consider the following statements about LED semiconductors. 1. Gallium is a constituent of compound semiconductors such as GaAs and GaN used in LEDs. 2.… Open question → QUESTION Which option names the traditional tin–lead alloy used as leaded solder? Open question → QUESTION Which metal is a constituent of the mineral kieserite (MgSO₄·H₂O)? Open question → Home Questions Play Progress