Related Questions

How many liters of a 90% of concentrated acid needs to be mixed with a 75% Solution of concentrated acid to get a 30 liter Solution of 78% concentrated acid?
A 8
B 6
C 7
D 9
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
Boiling point elevation for a strong and concentrated solution is found by Duhring's rule, which states that at the same pressure, the boiling point of a solution is a linear function of the __________ of pure water.
A Boiling point
B Dynamic viscosity
C Kinematic viscosity
D Density
The most suitable vessel for storing concentrated sulphuric acid is
A Copper vessel
B Aluminium vessel
C Glass vessel
D Earthen vessel
Most suitable material of construction for the storage of concentrated nitric acid is
A Cast iron
B Monel
C Karbate
D Aluminium or chromium alloys (Cr > 18% for cold acid)
কোন যৌগটি পানিতে সহজে দ্রবীভূত হয়ে গাঢ় সালফিউরিক এসিডের সাথে বাষ্পযুক্ত সাদা ধোঁয়া তৈরি করে এবং জলীয় সিলভার নাইট্রেট দ্রবণে সাদা অধঃক্ষেপ দেয়? (Which compound dissolves easily in water, form steamy white fumes with concentrated sulfuric acid and gives white precipitate with aqueous silver nitrate solution?)
A AgCl
B NaBr
C NaCl
D PbBr2
A dilute aqueous solution is to be concentrated in an evaporator system. High pressure steam is available. Multiple effect evaporator system is employed, because
A Total heat transfer area of all the effects is -less than that in a single effect evaporator system
B Total amount of vapor produced per Kg of feed steam in a multiple effect system is much higher than in a single effect
C Boiling point elevation in a single effect system is much higher than that in any effect in a multieffect system
D Heat transfer co-efficient in a single effect is much lower than that in any effect in a multieffect system
Open pan evaporators are preferred to be used, when the solution to be concentrated is
A Scaling
B Highly viscous
C Corrosive
D Salty

Next steps