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ASPIRE NEET 2020 :Solution: Henry law, Solubility, Raoult's law, Ideal & non-ideal solution-01
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Question 1
If mole fraction of gas A is 0.9 and of gas B is 0.4. The pressure exerted on gas A and gas B will satisfy:
Question 2
The unit of kH in the expression p = kH.c is?
Question 3
What is the concentration of O2 in a fresh water stream in equilibrium with air at 25oC and 2.0 atm? Express the answer in grams of O2 per Kg of solvent. kH of O2 = 1.3 ×10−3mol/ l. atm when dissolved in water at 298 K.
Question 4
The mass of a gas dissolved by a given volume of a liquid, at constant temperature, is proportional to the ______ of the gas
Question 5
Which one of the following statements regarding Henry’s law is not correct?
Question 6
A solution made by dissolving 40 g NaOH in 1000 g of H20 is
Question 7
Consider a gas XY2. The solubility of the gas at 3 atm pressure is 0.0034 gL-1. What is its concentration when the pressure is increased to 9 atm?
Question 8
A sample of water was equilibrated just above 00 C with 80% nitrogen and 20% oxygen. Then the gas dissolved in this water was separated using special means and was dried. What would be the composition of the gas if the Henry’s law constant for nitrogen and oxygen are 5.47 x 109 Pa and 2.53 x 109 respectively?
Question 9
A sample of milk is found to contain 4% of butter fat by volume. The density of butter fat is 875 kg/m3 and that of milk is 1035 kg/m3. The density of skimmed milk is:
Question 10
The normality of 10% (w/v) of acetic acid is
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Jul 21NEET & AIIMS
