Chemistry questions
29404 published questions with worked solutions.
- 34.2 g of cane sugar is dissolved in 180 g of water. The relative lowering of vapour pressure will be [MHTCET 2007]
- 450 mg of glucose is dissolved in 100 g of solvent. What is the molality of the solution? [MHTCET 2010]
- Dissolution of 1.5 g of a non-volatile solute (mol. wt. = 60) in 250 g of a solvent reduces its freezing point by 0.01^ C . Find...
- 2.5 cm^3 of 0.2 M H_2SO_4 solution is diluted to 0.5 dm^3 . Find the normality of the diluted solution. [MHTCET 2010]
- Ratio of loss in solvent to gain in CaCl_2 tube is [MHTCET 2010]
- The volume of 2 N H_2SO_4 solution is 0.1 dm^3 . The volume of its decinormal solution (in dm^3 ) will be [MHTCET 2012]
- Maximum depression in freezing point is caused by [MHTCET 2013]
- Which of the following is not a colligative property? [MHTCET 2014]
- What is the amount of urea dissolved per litre, if aqueous solution is isotonic with 10% cane sugar solution (mol. wt. of urea =...
- The freezing point of a 0.05 molal solution of a non-electrolyte in water is [MHTCET 2013]
- If 0.15 g of a solute, dissolved in 15 g of solvent, is boiled at a temperature higher by 0.216^ C , than that of the pure...
- One mole each of urea, glucose and sodium chloride were dissolved in one litre of water. Equal osmotic pressure will be produced...
- Two solutions A and B are separated by semipermeable membrane. If liquid flows from A to B, then [MHTCET 2008]
- Adsorption is the phenomenon in which a substanceNot in JEE Main or NEET syllabus
- Ink is adsorbed on the chalk. In this ink and chalk are respectivelyNot in JEE Main or NEET syllabus
- There are certain properties related to adsorption I. reversible II. formation of unimolecular layer III. low heat of adsorption...Not in JEE Main or NEET syllabus
- Physical adsorption is inversely proportional toNot in JEE Main or NEET syllabus
- Which of the following is not a characteristic of chemisorption?Not in JEE Main or NEET syllabus
- The rate of chemisorptionNot in JEE Main or NEET syllabus
- Which of the following catalyst catalyses the conversion of glucose into ethanol?Not in JEE Main or NEET syllabus