A. 25°C, 2 atm
B. 50°C, l0 atm
C. 30°C, 200 mm Hg (absolute)
D. 90°C, 45 atm
A. Bicarbonates & sulphates of calcium and magnesium
B. Undesirable taste and odour
C. Bacteria
D. Its corrosiveness
Lime and soda ash are added to water to remove ___________________? Read More »
Chemical Process A. Recovery of product will be difficult
B. Contamination of pure culture would result
C. Uniformity of product cannot be achieved
D. None of these
Air used in aerobic fermentation must be sterilized, otherwise the ___________________? Read More »
Chemical Process A. As a lubricant
B. As a rust preventive
C. In hard water for cleaning of cloth
D. As a foam depressant in distillation column
A. FeO.TiO2
B. Ca SO4 . 2H2O
C. Fe4 [Fe (CN6)3]
D. AlF3 . 3NaF
Prussian blue is chemically represented by__________________? Read More »
Chemical Process A. Alcohol
B. Essential oil
C. Fatty acids
D. Massecuite
Molasses is the starting material for the production of ___________________ ? Read More »
Chemical Process A. Anti-malarial
B. Anti-TB
C. Antibiotic
D. None of these
Insulin is an __________________ drug? Read More »
Chemical Process A. Can use low grade brine
B. Has less corrosion problems
C. Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl
D. Both B. and C.
Solvay process as compared to dual process (i.e. modified Solvay process) ? Read More »
Chemical Process A. Dilute H2SO4
B. Oleum
C. Ultraviolet light
D. None of these
A. 45
B. 70
C. 95
D. 99.5
Pure rectified spirit contains about _________________ percent alcohol? Read More »
Chemical Process