Related Questions

Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg
Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
A 600
B 800
C 300
D 250
E None of these
Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?
A Oxidation of Na+ ions
B Oxidation of Cl- ions
C Reduction of Na+ ions
D Reduction of Cl- ions
Common salt is generally not produced commonly by __________ method from brine.
A Freeze drying
B Electrolytic
C Solar evaporation
D Vacuum evaporation
__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.
A Chlorine
B Ammonium chloride
C Sodium carbonate
D Sodium bi-carbonate
Brine refers to :
A Salt water
B Sweet water
C Pure water
D Starch water
Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?
A Aluminium
B Copper
C Titanium
D Stainless steel
Impurities present in brine is normally removed by treatment with
A NH3 and CO2
B Lime and soda ash
C Lime, ammonia and carbon
D All of the above
Good quality of edible salt is obtained from brine by the process of
A Solar evaporation
B Vacuum evaporation
C Freeze drying
D Electrolysis

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