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
The sewer which resists sulphide corrosion, is
A Brick sewer
B Cast iron sewer
C R.sewer
D Lead sewer
Which one of the following resists hydrogen sulphide corrosion?
A R.C.C.
B Glazed stone wares
C Asbestos cement
D Glazed ware
Stainless steel resists corrosion due to
A Carbon
B Sulphur
C Vanadium
D Chromium
If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times.
A 10
B 20
C 70
D 100
A computer takes 50 nanoseconds to do an 221 addition. How many addition can it do in 1 second?
A 20 million
B 25 million
C 30 million
D 35 million
Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of
A Mixing
B Adsorption
C Wetting
D Complete wetting
On addition of solute in the solvent, the __________ of the solution decreases.
A Boiling point
B Freezing point
C Vapour pressure
D Both B and C

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