Practice Test: Question Set - 44
1. Blue vitriol is chemically
- (A) Copper
sulphate
- (B) Ferrous
sulphate
- (C) Copper
nitrate
- (D) Aluminium
sulphate
2. Which of the following is a detergent?
- (A) Fatty alcohol
- (B) Alkyl benzene
sulphonate (ABS)
- (C) Fatty acids
- (D) Methylene chloride
3. Silicon carbide is a/an
- (A) Adhesive
- (B) Abrasive
- (C) Type of glass
- (D) Brittle material
4. Electro deposition of metals i.e. electroplating is never done on
- (A) Metals
- (B) Alloys
- (C) Refractories
- (D) Non-metals
5. Le-Blanc process is a primitive process for the manufacture of
- (A) Caustic soda
- (B) Soda ash
- (C) Bromine from sea
water
- (D) Hydrochloric acid
6. Gypsum is chemically
- (A) Calcium chloride
- (B) Potassium sulphate
- (C) Sodium sulphate
- (D) Calcium sulphate
7. A bio-catalyst produced by living cells which acts independent of the cell is called a/an
- (A) Substrate
- (B) Enzyme
- (C) Nutrient
- (D) None of these
8. Sulphuric acid is mainly used in the __________ industry.
- (A) Fertilizer
- (B) Steel
- (C) Paper
- (D) Paint
9. Trinitro-toluene (TNT) is
- (A) Used in glycerine
manufacture
- (B) An explosive
- (C) Used in dye
manufacture
- (D) None of these
10. Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
- (A) Cutting
- (B) Fibrillation
- (C) Hydration
- (D) Strengthening
11. Which of the following is used as a coagulant in treating turbid water?
- (A) Chlorine
- (B) Ferric sulphate
- (C) Calcium sulphate
- (D) Activated carbon
12. Massecuite is
- (A) Used for paper making
- (B) Used as a cattle feed
- (C) Highly acidic in
nature
- (D) None of these
13. Electric bulbs are made of __________ glass.
- (A) Jena
- (B) Flint
- (C) Crookes
- (D) Pyrex
14. An alkali metal salt of Palmitic acid is known as
- (A) Soap
- (B) Metallic soap
- (C) Detergent
- (D) Alkaloid
15. Proximate analysis of coal determines its __________ content.
- (A) Moisture, ash,
sulphur & volatile matter
- (B) Moisture &
volatile matter
- (C) Moisture, sulphur,
nitrogen & fixed carbon
- (D) None of these
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