Chemical Process Development Multiple Choice Questions - Set 09 - ObjectiveBooks

Chemical Process Development Multiple Choice Questions - Set 09

Practice Test: Question Set - 09

1. Commercial production of Vanaspati is done by __________ of edible vegetable oils.
    (A) Hydrogenation
    (B) Oxidation
    (C) Hydrolysis
    (D) Hydrocracking

2. Synthesis gas is a mixture of
    (A) CO and H2
    (B) N2 and H2
    (C) H2, CH4 and CO
    (D) CO2 and H2

3. Which of the following is an ore of iron?
    (A) Galena
    (B) Chalcopyrite
    (C) Hematite
    (D) Bauxite

4. Which of the following is an yellow pigment?
    (A) Titanium dioxide
    (B) Ferrous sulphate
    (C) Lead chromates
    (D) Zinc sulphides

5. Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
    (A) Nitric acid
    (B) Sulphuric acid
    (C) Ammonium sulphate
    (D) Hydrochloric acid

6. Hydrazine (N2H4) is used mainly as a/an
    (A) Explosive
    (B) Rocket fuel
    (C) Detergents additive
    (D) None of these

7. Naphthalene is removed from coke oven gas by
    (A) Adsorbing on palladium
    (B) Absorbing in ethanolamine
    (C) Scrubbing with wash oil
    (D) Passing it through electrostatic precipitator

8. Dacron is a
    (A) Condensation product of Hexamethylene diamine and adipic acid
    (B) Thermosetting material
    (C) Condensation product of dimethyl terephthalate and ethylene glycol
    (D) None of these

9. Catalyst used during the manufacture of 'Vanaspati Ghee' is
    (A) Zinc
    (B) Nickel
    (C) Platinum
    (D) Copper

10. Fat dispersed in water is exemplified by
    (A) Colloids
    (B) Gel
    (C) Butter
    (D) Emulsion

11. Enzymes are
    (A) Proteins with high molecular weight (around 10,000)
    (B) Derived from living organisms
    (C) Catalyst for temperature sensitive reactions
    (D) All (a), (b) and (c)

12. Zeigler process
    (A) Produces high density polyethylene
    (B) Produces low density polyethylene
    (C) Uses no catalyst
    (D) Employs very high pressure

13. In Kraft process of paper manufacture, white cooking liquor consists of caustic soda
    (A) Sodium sulphide & sodium carbonate
    (B) Sodium sulphite & sodium carbonate
    (C) Sodium sulphite & sodium sulphide
    (D) None of these

14. 99.5% purity oxygen is used in
    (A) Cutting and welding by oxy-acetylene flame
    (B) Hospitals for medicinal purposes
    (C) Gas masks and artificial breathing apparatus
    (D) All (a), (b), and (c)

15. Chemical formula of 'salt cake' is
    (A) Na2SO4
    (B) CaSO4
    (C) MgSO4
    (D) BaSO4

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