Chemistry questions
29404 published questions with worked solutions.
- Match List-I with List-II List-I: (A) Glucose + HI (B) Glucose + Br_ 2 water (C) Glucose + acetic anhydride (D) Glucose + HNO_ 3...
- Which of the following enhances the lathering property of soap?Not in JEE Main or NEET syllabus
- Match List-I with List-II List-I (Mixture): (A) Chloroform & Aniline (B) Benzoic acid & Napthalene (C) Water & Aniline (D)...
- The normality of H_ 2 SO_ 4 in the solution obtained on mixing 100 mL of 0.1 M H_ 2 SO_ 4 with 50 mL of 0.1 M NaOH is _____ 10^...
- For a real gas at 25°C temperature and high pressure (99 bar) the value of compressibility factor is 2, so the value of Van der...
- A gas (Molar mass = 280 g mol^ -1 ) was burnt in excess O_ 2 in a constant volume calorimeter and during combustion the...
- When a certain amount of solid A is dissolved in 100 g of water at 25°C to make a dilute solution, the vapour pressure of the...
- [A] [B] (Reactant Product) If formation of compound [B] follows the first order of kinetics and after 70 minutes the...
- Among the following ores Bauxite, Siderite, Cuprite, Calamine, Haematite, Kaolinite, Malachite, Magnetite, Sphalerite, Limonite,...Not in JEE Main or NEET syllabus
- The number of molecules(s) or ions(s) from the following having non-planar structure is _____ . NO_ 3 ^ - , H_ 2 O_ 2 , BF_ 3 ,...
- The spin only magnetic moment of the complex present in Fehling's reagent is _____ B.M. (Nearest integer)
- 250 g solution of D-glucose in water contains 10.8% of carbon by weight. The molality of the solution is nearest to (Given:...
- Given below are two statements. Statement I: O_ 2 , Cu^ 2+ and Fe^ 3+ are weakly attracted by magnetic field and are magnetized...
- Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Energy of 2s...
- Boiling point of a 2% aqueous solution of a non-volatile solute A is equal to the boiling point of 8% aqueous solution of a...
- Which of the following methods are of used to refine any metal? A. Liquation B. Calcination C. Electrolysis D. Leaching E....Not in JEE Main or NEET syllabus
- Given below are two statements. Statement I: Hydrogen peroxide can act as an oxidizing agent in both acidic and basic conditions....
- Which oxoacid of phosphorous has the highest number of oxygen atoms present in its chemical formula?
- Match list-I with List-II. List-I (Polymers): A. Phenol-formaldehyde resin B. Copolymer of 1,3-butadiene styrene C. Polyester of...Not in JEE Main or NEET syllabus
- A sugar 'X' dehydrates very slowly under acidic condition to give furfural which on further reaction with resorcinol gives the...