Skip to content Home Questions Play Progress Daily Challenge Questions › Chemistry Questions QUESTION The solute-like component or the dispersed particles in a colloid are called the ______. Open question → QUESTION Which listed techniques can reduce total dissolved solids (TDS) in water? (1) Deionising ion exchange using cation and anion resins (2) Distillation (3) Carding Open question → QUESTION What kind of substances are separated using the technique of steam distillation? Open question → QUESTION Column chromatography is mainly used for: Open question → QUESTION Which of the following is an example of emulsion? Open question → QUESTION Which of the following processes releases heat into the surroundings? Open question → QUESTION Which of the following statements best describes the Hardy Schulze rule? Open question → QUESTION Which of the following is an example of a ‘solid in a liquid’ type of solution? Open question → QUESTION The method of separating a mixture of soluble solids by dissolving them in a suitable hot solvent and then lowering the temperature slowly is… Open question → QUESTION At ordinary room temperature, which listed substance is a suitable solvent for dissolving anthracene? Open question → QUESTION Which of the following is a polar molecule? Open question → QUESTION Why is cooking faster in a pressure cooker? Open question → QUESTION The mineral Carnotite is an important source of: Open question → QUESTION Which listed substance is correctly paired with its formula? Open question → QUESTION What is the product formed in aqueous solution when calcium carbonate reacts with carbon dioxide and water? Open question → QUESTION In the usual iron-nail displacement experiment, a ______ copper(II) sulphate solution becomes ______ as iron(II) sulphate forms. Open question → QUESTION Which listed compound has the highest tabulated boiling point at approximately atmospheric pressure? 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 Consider the following statements regarding atomicity: 1. The chlorine molecule (Cl₂) is diatomic. 2. Ozone (O₃) is triatomic. 3. Helium (He) is monoatomic. 4.… Open question → QUESTION Which listed fatty acid is normally the largest component of olive oil’s fatty-acid profile? Open question → QUESTION In the traditional naming convention that distinguishes argentous from argentic silver, which listed oxidation state is associated with argentic silver? Open question → QUESTION At approximately one atmosphere, which pairs give approximate normal boiling points? I. Chloroform — 334 K II. Methane — 111.7 K Open question → QUESTION Which of the following is a highly electropositive element that readily gives up an electron in order to obtain a stable electronic configuration? Open question → QUESTION Mercury(I) chloride, Hg₂Cl₂, is commonly known as ______. Open question → Home Questions Play Progress 