solution and colligative properties
what is molarity of a solution of hcl which contains 49% by weight of solute and whose specific gravity is 1.41
Give me answer of this question. The volume of water to be added to 100cm3 of 0.5 N N H2SO4 to get decinormal concentration is : (a) 400 cm3 (b) 500cm3 (c) 450cm3 (d)100cm3
Drugs are broadly classified into following types depending on the purpose for which they are used. 1. Antipyretics
Choose the right answer from following. At 300 K, when a solute is added to a solvent its vapour pressure over the mercury reduces from 50 mm to 45 mm. The value of mole fraction of solute will be: (a)0.005 (b)0.010 (c)0.100 (d)0.900
Give me answer of this question. 5cm3 of acetone is added to 100cm3 of water, the vapour pressure of water over the solution: (a) It will be equal to the vapour pressure of pure water (b) It will be less than the vapour pressure of pure water
Can protein act as the buffer? Briefly comment on that statement.
why BiF3 is ionic whereas other trihalides are covalent in nature?
1. Define Faraday's first law of electrolysis 2. define Faraday's second law of electrolysis
Briefly state what forms a molecule to an organic molecule?
an atom of an element is 10.1 times heavier than the mass of a carbon atom.What is its mass in amu?
Group 16 of periodic
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