Related Questions

Solution X contains 40% salt and 60% water by weights, Solution Y contains 25% salt and 75% water. If a mixture of X and Y contains 30% salt. What percent of the weight of this mixture is solution X?
A 10%
B 33.3%
C 40%
D 42.5%
How much salt must we add to 10 grams of a 20% salt solution to strengthen it into a 50% solution?
A 5 gm
B 3 gm
C 6 gm
D 4 gm
Due to a 25% increase in the price of salt, a person got 10 kg less quantity for Tk. 500 than he was getting before the increase.What was the initial price per kg of salt in taka?
A 10
B 15
C 25
D 30
How many pounds of pure salt must be added to 30 pounds of a 2% solution of salt and water to increase it to a 10% solution?
A 23
B 83
C 63
D 75
A recipe for 4 servings requires salt and pepper to be added in the ratio of 2: 3 . If the recipe is adjusted to make 8 servings, what is the ratio of the salt and pepper that must now be added?
A 4: 3
B 2 : 6
C 2 : 3
D 3 : 2
If 'air' is called 'green', is called 'red', 'red' is called 'sea', is called 'blue', 'blue' is called 'water' and 'water' is called 'pink', then what is the color of grass?
A Green
B Air
C Red
D Pink
What is the most common salt in sea water ?
A Calcium carbonate
B Potassium chloride
C Sodium chloride
D Magnesium sulphate
Common salt is produced from sea water in India generally by the __________ method.
A Freeze drying
B Solar evaporation
C Electrolytic
D None of these
Salt content in sea water is about __________ percent.
A 0.5
B 1
C 3.5
D 10
India has eight coastal states but more than half the sea salt is made along the Gujarat coast because
A Gandhiji started the salt movement in Gujarat
B Low rainfall and relative humidity are ideal for the production of salt through evaporation of sea water
C Kandla port exports salt
D The salinity of sea water is very high near the Gujarat coast

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