Related Questions

5% Sodium carbonate solution এর মোলারিটি কত?
A 0.88 M
B 0.98 M
C 0.47 M
D 0.74 M
What is the other name of sodium carbonate?
A Baking soda
B Washing soda
C Baking powder
D No option is correct
Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ?
A Methylene blue
B Methyl red
C Phenolphthaline
D Methyl orange
Sodium carbonate (soda ash) is not used in the manufacture of
A Fire extinguishers
B Sugar
C Baking powder
D Detergents
__________ process is used for the manufacture of sodium carbonate by ammonia soda process.
A Ostwald's
B Bosch
C Solvay
D Haber's
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
Which one of the following elements does not form solid hydrogen carbonate?
A Sodium
B Potassium
C Caesium
D Lithium
If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to
A Total alkalinity
B Total hardness
C Total hardness total alkalinity
D Non carbonate hardness

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