Chemical Process Calculations Notes MCQ Questions - Set 03 - ObjectiveBooks

Chemical Process Calculations Notes MCQ Questions - Set 03

Practice Test: Question Set - 03

1. Which of the following is not present in bagasse fibre?
    (A) Cellulose
    (B) Lignin
    (C) Pentogens
    (D) None of these

2. SO2 is bubbled through hot sugar cane juice to
    (A) Act as an acidifying agent
    (B) Increase its concentration
    (C) Increase the amount of molasses
    (D) Increase the crystal size

3. Nitrile rubber is produced by the polymerization of
    (A) Acrylonitrile and butadiene
    (B) Acrylonitrile and styrene
    (C) Isobutylene and isoprene
    (D) None of these

4. Maleic anhydride is produced by catalytic oxidation of
    (A) Toluene
    (B) Ethyl alcohol
    (C) Naphthalene
    (D) Benzene

5. Production of one ton of cement requires about __________ tons of limestone.
    (A) 0.6
    (B) 1.2
    (C) 2.2
    (D) 3.8

6. Which one of the following is not an elastomer?
    (A) Polyisoprene
    (B) Neoprene
    (C) Nitrile-butadiene
    (D) None of these

7. Permanent hardness of water can be removed by
    (A) Boiling
    (B) Adding Ca(OH)2
    (C) Boiling it with Na2CO3
    (D) None of these

8. Blue color is imparted to glass by the addition of
    (A) FeSO4
    (B) PbO
    (C) CaO
    (D) NaOH

9. Naphthols are derivates of
    (A) Methyl amine
    (B) Naphthalene
    (C) Phenol
    (D) Xylene

10. Phenol formaldehyde
    (A) Employs addition polymerization
    (B) Employs condensation polymerization
    (C) Is a monomer
    (D) Is an abrasive material

11. In the Solvay process, the product from the calciner is
    (A) Light soda ash
    (B) Dense soda ash
    (C) Sodium bicarbonate
    (D) Dehydrated soda ash

12. Lithophane is
    (A) Explosive
    (B) White lead
    (C) Filter aid
    (D) ZnS (white pigment)

13. Fermentation is adversely affected by the
    (A) Presence of air
    (B) Absence of air
    (C) High concentration
    (D) Presence of ammonium salts

14. Presence of carbonaceous matter in the sewage
    (A) Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures
    (B) Reduces sulphate ions to sulphides causing obnoxious smell
    (C) Increases the quantity of chlorine used for its purification
    (D) All (a), (b) and (c)

15. Penicillin is made employing __________ fermentation process.
    (A) Continuous
    (B) Aerobic batch
    (C) Anaerobic batch
    (D) None of these

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