Practice Test: Question Set - 37
1. The ideal pulp for the manufacture of paper should have high __________ content.
- (A) Cellulose
- (B) Lignin
- (C) Both (a) & (b)
- (D) None of these
2. The major constituents of glass are
- (A) Lime, clay and soda
ash
- (B) Sand, lime and soda
ash
- (C) Silica, alumina and
clay
- (D) Silica, alumina and
soda ash
3. Production of alcohol by fermentation of molasses is a/an __________ process.
- (A) Anaerobic
- (B) Aerobic
- (C) Endothermic
- (D) Both (b) and (c)
4. Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the
- (A) Fertilizer
manufacture
- (B) Car battery solution
- (C) Synthesis of oleum
- (D) Water treatment
5. Which of the following is not a food additive?
- (A) Citric acid
- (B) Invertage
- (C) Benzoyl peroxide
- (D) Ammonium chloride
6. Litharge is
- (A) Lead oxide
- (B) Zinc oxide
- (C) Zinc sulphide
- (D) Cellulosic
photographic material
7. During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to
- (A) Increase the rate of
absorption
- (B) Avoid corrosion
- (C) Reduce
the cooling water circulation rate
- (D) None of these
8. Comparing sulphate process with sulphite process, we find that __________ in the later.
- (A) Both temperature
& pressure in the former is less than that
- (B) Both temperature
& pressure in the former is more than that
- (C) Temperature is more
in the former whereas pressure is more
- (D) Pressure is more in
the former whereas temperature is less
9. Pick out the correct statement.
- (A) A fat is converted
into oil by its hydrogenation
- (B) There is no
difference between a fat and an oil so far as its physical properties are
concerned
- (C) All vegetable oils
except coconut oil, contains fatty acids having more than sixteen carbon atoms
- (D) Vegetable
oils are classified as drying, non-drying and semi drying oils depending upon
their fatty acids content
10. Acetone is produced by catalytic dehydrogenation of
- (A) Phenol
- (B) Naphthalene
- (C) Isopropanol
- (D) Ethyl
benzene
11. Coal tar is used as a
- (A) Binding material for
coal briquettes
- (B) Fuel in rotary kiln
- (C) Binder in making
carbon electrodes
- (D) All (a), (b) and (c)
12. Which form of sulphur is the most stable at room temperature?
- (A) Plastic
- (B) Monoclinic
- (C) Rhombic
- (D) Flowers of sulphur
13. With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide
- (A) Increases
- (B) Increases linearly
- (C) Decreases
- (D) Decreases linearly
14. Glycerine is not used in the
- (A) Manufacture of
explosive
- (B) Conditioning and
humidification of tobacco
- (C) Manufacture of
pharmaceuticals
- (D) None of these
15. Dacron is a/an
- (A) Polyester
- (B) Unsaturated polyester
- (C) Polyamide
- (D) Inorganic polymer
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