ThePrismSolutions

ThePrismSolutions

DAILY PRACTICE PAPER(11Th June 2018)

Q. 56 g of nitrogen and 96 g of oxygen are mixed isothermally and at a total pressure of 10 atm. The partial pressures of oxygen and nitrogen (in atm) are respectively ?

(a) 4,6      (b) 5,5

(c) 2,8      (d) 8,2     (e) 6,4

Q. Negative deviation from Raoult's law is observed in which one of the following binary liquid mixtures ? :

(a)  ethanol and acetone     
(b) benzene and toluene
(c)  acetone and chloroform     
(d) chloroethane and bromoethane

Q. Which of the following concentration terms is/are independent of temperature ?

(a)  Molality only       
(b)  Molality and mole fraction
(c)  Molarity and normality     
(d) Molarity only

Q. In countries nearer to polar region, the roads are sprinkled with CaCl2. This is :

(a) To minimise the snow fall         
(b) To minimise pollution          
(c) TO minimise the accumulation of dust on the road       
(d) To minimise the wear and tear of the roads

Q.A 6% solution of urea is isotonic with :

(a) 0.05 M solution of glucose        
(b) 6% solution of glucose    
(c) 25% solution of glucose     
(d) 1 M solution of glucose



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