How can you recover common salt from its solution in water?

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Aayush Asked Apr 7

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A 10% w/w solution of cane sugar has undergone partial inversion according to the reaction : Sucrose + water →glucose + fructose . The boiling point of the solution is 100.7°C. What fraction of sugar has inverted?

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Aayush Asked Feb 2

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0.65 g of Zn was put in a solution of 1.5 g CuSO4 and the Cu. thus precipitated weighed 0.635 g. what weight of the zinc sulphate will be recovered on evaporation of the remaining solution?

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0.05 mole of LiAIH4 in ether solution was placed in a flask containing 74g (1 mole) of t-butyl alcohol. The product LiAIHC12H27O3 weighed 12.7 g. If Li atoms are conserved, the percentage yield is —

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What volume of 0.25 M HNO3 (nitric acid) solution reacts with 50 mL of 0.15 M Na2CO3 (sodium carbonate) solution in the following reaction —

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A cell is containing two H electrodes. The negative electrode is in contact with a solution of 10^{-6} M H+ ions. The emf of the cell is 0.118 V at $25^{\circ} {C}$. What is the $\left[{H}^{+}\right]$at positive electrode?

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Aayush Asked Feb 22

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The vapor pressures of benzene, toluene and a xylene are 75 Torr, 22 Torr and 10 Torr at 20°C. Which of the following is not a possible value of the vapor pressure of an equimolar binary/ternary solution of these at 20°C? Assume all form ideal solution with each other.

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Aayush Asked Jan 30

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Which of the following methods of expressing concentration of a solution is/are independent of temperature?

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75 mL of H2SO4 solution (specific gravity = 1.18), containing 49% H2SO4 by mass, is diluted to 590 mL. Calculate molarity of the diluted solution.

Aayush Asked Jan 30

by Aayush

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Chandan Asked Sep 15, 2023

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Two faraday's of electricity are passed through a solution of CuSO4. The mass of copper deposited at the cathode is (at. mass of Cu=63.5 amu)

Chandan Asked Sep 15, 2023

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If a solution containing components A and B follows Raoult's law then

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by John Michael

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ANAND_YADAV Asked Aug 7, 2023

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Resistance of 0.2 M solution of an electrolyte is 50Ω. The specific conductance of the solution is $1.4 {~S}{~m}^{-1}$. The resistance of $0.5 {M}$ solution of the same electrolyte is $280 \Omega$.

ANAND_YADAV Asked Aug 7, 2023

by ANAND_YADAV

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The osmotic pressure of sugar solution is 2.46 atm at 27°C. Calculate the concentration of the solution.

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ALOK_RAJ Asked Aug 19, 2023

113 views

5g of K2SO4 was dissolved in water to prepare 250 ml of solution. what volume of this solution should be used so that 2.33g of BaSO4 may be precipitated from BaCl2 solution.

ALOK_RAJ Asked Aug 19, 2023

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The density of water at room temperature is 1.0 g/mL. How many molecules are there in a drop of water if its volume is 0.05 mL ?

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How does bonding molecular orbital in a molecule of hydrogen differ from its antibonding molecular orbital?

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How many people can 'Classic Imperial' accommodate at a time, and what distinguishes it as the largest of its kind in Kerala?

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ALOK_RAJ Asked Nov 27, 2023

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How can you differentiate between addition and condensation polymerisation?

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ALOK_RAJ Asked Nov 28, 2023

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When chlorine water is added to an aqueous solution of potassium halide in presence of chloroform, a violet colour is obtained.

ALOK_RAJ Asked Nov 28, 2023

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Chandan Asked Aug 9, 2023

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Dissolving 120 g of urea (molar mass 60 ) in 990 g of water gave a solution of density 1.11 g / ml. Select the correct statements :

Chandan Asked Aug 9, 2023

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119 views

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If the eye is kept very close to a converging lens (focal length = 10 cm) and at the optical centre of the lens and an object is kept at distance 'd' then the minimum distance 'd' of the object from the lens so that its image can be seen clearly by the defect free eye is :

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ALOK_RAJ Asked Aug 4, 2023

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A graph plotted between $\log$ $t_{50 \%}$ vs $\log$ concentration is a straight line. What conclusion can you draw from this graph?

ALOK_RAJ Asked Aug 4, 2023

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How can you recover common salt from its solution in water?

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