3g urea is dissolved in 45g of water. The relative lowering of vapour pressure is:
A) 0.05 B) 0.04 C) 0.02 D) 0.01 Solution Urea = Mass/ mol mass. 3/60. = 0.05 Water= Mass/ mol mass. 45/60. = 2.5 By relative lowering of vapour pressure…
A) 0.05 B) 0.04 C) 0.02 D) 0.01 Solution Urea = Mass/ mol mass. 3/60. = 0.05 Water= Mass/ mol mass. 45/60. = 2.5 By relative lowering of vapour pressure…
A) no definite compound B) Insoluble in polar solvent C) small difference in electronegativity D) Low melting point Solution Answer A No definite geometry is not a characteristic of a…
A) low osmotic pressure B) No osmotic pressure C) High osmotic pressure D) Very High osmotic pressure Answer All colloidal dispersion have low osmotic pressure. The osmotic pressure is a…
A) negative deviation from Raoult's law B) positive deviation from Raoult's law C) No deviation from Raoult's law D) postive or negative deviation from Raoult's law depends upon the composition…
A) 10 B) 11 C) 9 D) 12 Solution
A) 300 cm3 B) 500 cm3 C) 290cm3 D) 450 cm3 Solution