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A 60% spirit solution is mixed with r% spirit solution in the ratio 1 : 3 such that a s% spirit solution is obtained. When a (s/3)% spirit solution is mixed with 55% spirit solution in equal ratio, an (r/2)% spirit solution is obtained. Which of the following can be determined? (A) Value of ‘r’ (B) Value of ‘s’ (C) Volume of the 60% spirit solution mixed initially (D) If 9 liters of r% spirit solution was mixed initially, what was the volume of the s% spirit solution thus obtained?
In the Orsat apparatus, KOH solution is used to absorb
Short orsat apparatus gives more precise results than long orsat in the analysis of flue gas.
A chemical solution appears green when the salt concentration is 8 grams per litre (gpl) and red when it is 10 gpl. Pure water was added to the solution of 1 litre of 15 gpl solution till it turned green. Then 125 ml of the green solution is taken out and x grams of salt is added to the green solution to make it red. Another 500 ml of the final solution was taken out and y litres of green solution is added to get a resultant solution of concentration 9.6 gpl.  Assume adding salt doesn’t change its volume and find the ratio of x and y. 
The cuprous chloride used in orsat apparatus can absorb
KOH solution used in orsat apparatus absorbs
Cuprous chloride solution is used in orsat apparatus for selectively absorbing carbon monoxide. However, it is capable of absorbing . . . . . . . . also.
If a dehydrated porous absorptive food is soaked in a solution whose viscosity is not too high to penetrate, then the food will absorb an amount of solution approximately equal to the amount of water it would normally absorb.
If CO₂ is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as
If CO2 is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as