Chemical Process Manufacturing Questions and Answers - Set 41 - ObjectiveBooks

Chemical Process Manufacturing Questions and Answers - Set 41

Practice Test: Question Set - 41

1. Riboflavin is a/an
    (A) Vitamin
    (B) Analgesic drug
    (C) Anaesthetics
    (D) Anti-malarial drug

2. Coke oven gas consists mainly of
    (A) H2 & CH4
    (B) CO & CO2
    (C) H2 & CO
    (D) CH4 & CO

3. Sea weeds are an important source of
    (A) Fluorine
    (B) Chlorine
    (C) Bromine
    (D) Iodine

4. A good quality coal should have
    (A) Low fusion point of ash
    (B) High ash content
    (C) High sulphur content
    (D) None of these

5. Bakelite is
    (A) Same as Polytetrafluoroethylene (PTFE)
    (B) An inorganic polymer
    (C) Same as thermosetting phenol-formaldehyde
    (D) Not a polymer

6. Potassium is kept & transported under
    (A) Water
    (B) Liquid ammonia
    (C) Kerosene oil
    (D) Alcohol

7. Oils and fats are converted to soap in a process called
    (A) Hydrogenation
    (B) Esterification
    (C) Saponification
    (D) None of these

8. Pick out the wrong statement.
    (A) High early strength cement are made from materials having high silica to lime ratio
    (B) The function of gypsum in cement is to enhance its initial setting rate
    (C) Acid resistant cements are known as silicate cement
    (D) Major component of greyish Portland cement is tricalcium silicate

9. Free alkali in a toilet soap is __________ that in a laundry shop.
    (A) Less than
    (B) More than
    (C) Same
    (D) None of these

10. A substance produced by a living organism and capable of anti-microbial activity is called a/an
    (A) Antibiotic
    (B) Antiseptic
    (C) Disinfectant
    (D) None of these

11. Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate
    (A) Is prone to thermal decomposition
    (B) Has high water solubility and is unstable
    (C) Is soluble in ammonium chloride and potassium chloride solution
    (D) All (a), (b) and (c)

12. Washing soda is chemically represented by
    (A) Na2CO3
    (B) Na2CO3.H2O
    (C) Na2CO3.10H2O
    (D) NaHCO3

13. Which of the following is a disaccharide?
    (A) Sucrose
    (B) Glucose
    (C) Starch
    (D) Maltose

14. Absorption of SO3 in 97% H2SO4 is
    (A) Exothermic
    (B) Endothermic
    (C) Not possible
    (D) None of these

15. Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.
    (A) Mechanical
    (B) Sulphate/Kraft
    (C) Sulphite
    (D) Neutral sulphite semi-chemical

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