Better heat & acid resistant properties
Poorer resistance to alkalis
Poorer dyeability
All of the above
✅ The correct answer is option D.
Chemical Process MCQs
A good quality coal should have
Low fusion point of ash
High ash content
High sulphur content
None of these
✅ The correct answer is option D.
Sodium bisulphite is used for __________ water.
Deaeration
Dechlorination
Both A & B
Neither A nor B
✅ The correct answer is option C.
The ideal pulp for the manufacture of paper should have high __________ content.
Cellulose
Lignin
Both A & B
None of these
✅ The correct answer is option A.
Which of the following paper does not require a filler during manufacture?
Bond paper
Writing paper
Blotting paper
Coloured paper
✅ The correct answer is option C.
Which of the following is an ore of iron?
Galena
Chalcopyrite
Hematite
Bauxite
✅ The correct answer is option C.
Addition of calcium oxide to water produces
Exothermic heat
Hissing sound
Slaked lime
All of the above
✅ The correct answer is option D.
__________ glass is used for the manufacture of optical glass.
Pyrex
Soda
Flint
Crooke’s
✅ The correct answer is option C.
In the manufacture of viscose rayon, the raw material used industrially is
Recalyptious wood
Bamboo
Bagasse
Fine teak wood
✅ The correct answer is option D.
Sugar content in sugarcane on cane basis is about __________ percent by weight.
1 to 5
5 to 10
15 to 20
20 to 30
✅ The correct answer is option B.