Related Questions

A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2500 gallons of water evaporate from the tank, the remaining solution will be approximately what percent sodium chloride?
A 1.25%
B 3.75%
C 6.25%
D 6.67%
The value of Sodium Absorption Ratio for high sodium water lies between
A 0 to 10
B 10 to 18
C 18 to 26
D 26 to 34
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium
A Carbonate
B Phosphate
C Bicarbonate
D Silicate
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory . There are 100 seniors, 150 juniors and 200 sophomres who applied. Each senior's junior's name , 2 times; and each sophomres who applied. Each senior's name is placed in the lottery 3 times; each junior's name ,2 times name, 2 times ; and each sphomore's name , 1 time . What is the probability that a senior's name will be chosen?
A 18
B 38
C 48 
D 28
The common name of sodium bicarbonate is
A Soda ash
B Baking soda
C Soda lime
D Baking powder
What is the other name of sodium carbonate?
A Baking soda
B Washing soda
C Baking powder
D No option is correct
Name the sodium compound which is used to permanently remove the hardness of water.
A Sodium hydroxide
B Sodium chloride
C Sodium hydrogen carbonate
D Sodium carbonate
If the ration of numbers is 3: 4 and their least common multiple is 60 , then their least common multiple is 60, then the numbers are-
A 15,20
B 12 ,16
C 9, 12
D 18, 24
If the product of two numbers is 560 and greatest common factor is 4. Then what is the least common multiple?
A 70
B 140
C 120
D 45
Assume the following shares outstanding : Preferred stock, 6% , Tk. 50 per value, cumulative, 1000 shares with dividends in arrears 3 years, for 20-1, 20-2 and 20-3. Common stock, Tk. 100 per value, 2000 shares. Total dividends declared in 20-4 were Tk. 50,000. The total amount of dividends to which common stockholders are entitled is :
A Tk. 62000
B Tk. 50000
C Tk. 45000
D Tk. 38000

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