Related Questions

Black liquor is converted into white liquor by
A Evaporation and burning the concentrate followed by causticisation of products
B Multi-effect evaporation only
C Selective liquid extraction
D Extractive distillation
In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of
A Concrete
B Wood
C Steel
D Porcelain
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%
The major constituent of black liquor generated during paper manufacture is sodium
A Sulphate
B Carbonate
C Hydroxide
D Bi-carbonate
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
A SO3
B Cl2
C NH3
D SO2
Main constituent of the gas produced from a gobar gas plant is
A CO2
B CH4
C H2
D CO
The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to
A Avoid mechanical weakening of fibre
B Remove lignin by way of crystallisation
C Increase the cellulose content
D None of these
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

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