5421. A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).
1
10
25
40
✅ The correct answer is option B.
Chemical Engineering
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5423. __________ is used as a catalyst in fat splitting.
ZnO
Ni
V₂O₅
FeO
✅ The correct answer is option A.
5424. Bio-degradable detergents
Can be readily oxidised
Pose problem in sewerage plant
Have an isoparaffinic structure
Should not be used as it spoils the cloth
✅ The correct answer is option A.
5425. The purpose of tanning in leather industry is to
Stiffen the leather
Smoothen the leather
Make it flexible
Impart water resistance
✅ The correct answer is option A.
5426. Paper pulp produced by kraft/sulphate process is
Bleached easily
Dull white in color
Strong fibrous
Dark colored
✅ The correct answer is option C.
5427. Production of alcohol by fermentation of molasses is an __________ process.
Anaerobic
Aerobic
Endothermic
Both B and C
✅ The correct answer is option B.
5428. Hydrazine is largely used
As a starting material for ‘hypo’
In photographic industry
As rocket fuel
In printing industry
✅ The correct answer is option C.
5429. Bitterns is a/an
Unsaturated fat
Starting material for the production of iodine
By-product of chlor-alkali industry
None of these
✅ The correct answer is option D.
5430. One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to
Adjust the pH of the syrup
Remove the coloring matter from the syrup
Reduce the viscosity of the syrup
Improve the rate of crystallisation of sugar
✅ The correct answer is option A.