Related Questions

Magnesium and calcium __________ cause temporary hardness of water.
A Carbonates
B Bicarbonates
C Phosphates
D Sulphates
Which of the following processes can remove both temporary as well as permanent hardness of water?
A Filtration
B Boiling
C Distillation
D None of these
Zeolite used in water softening process (cation exchange) is regenerated by washing with
A Brine
B Chloramines
C Sodium bisulphite
D Liquid chlorines
Presence of __________ hardness is responsible for the temporary hardness in water.
A Carbonate
B Calcium
C Choride
D Sulphate
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 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%
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 mineral containing both magnesium and calcium is
A magnesite
B calcite
C carnallite
D dolomite
Precipitating factors of hepatic encephalopathy includes
A Constipation
B Infection
C Portosystemic shunting
D Hyperkalaemia
E Volume overload
Factors precipitating hepatic encephalopathy include
A Infection
B Constipation
C Hypokalaemia
D Antibiotics
E Excess dietary carbohydrate

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