Practice Test: Question Set - 01
1. Boiling of water containing temporary hardness produces
- (A) CO2
- (B) CaSO4
- (C) CaHCO3
- (D) None of
these
2. Fourdrinier machine is used in the manufacture of
- (A) Nylon-6
- (B) Paper
- (C) Antibiotics
- (D) Sugar
3. Na2CO3.10H2O is called
- (A) Washing
soda
- (B) Soda ash
- (C) Slaked lime
- (D) Quicklime
4. Fire clay is __________ refractory material.
- (A) A basic
- (B) An acidic
- (C) A
neutral
- (D) Not a
5. Bisphenol A is produced by the condensation of acetone with
- (A) Formaldehyde
- (B) Ethyl
alcohol
- (C) Diethyl
ether
- (D) Phenol
6. Vegetable oils and fats basically differ in their
- (A) Density
ranges
- (B) Physical
state
- (C) Chemical
composition
- (D) Chemical
properties
7. CaSO4 .½H2O is known as
- (A) Blue
vitriol
- (B) Plaster of
Paris
- (C) Gypsum
- (D) Zeolite
8. Economics of 'Solvay Process' depends upon the efficiency of
- (A) Carbonating
tower
- (B) Ammonia
recovery
- (C) Ammonia
recovery and size of the plant
- (D) Ammoniation
of salt solution
9. Shaving soaps are
- (A) Soft
potassium soaps (potassium salt of fatty acid) with free Stearic acid to give
lather a lasting property
- (B) Metallic
soaps compounded with frothing agents
- (C) High
free alkali soaps having excess of cane sugar and alcohol
- (D) None of
these
10. At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).
- (A) P
- (B) √P
- (C) P2
- (D) 1/P
11. Baking soda is chemically represented by
- (A) Na2CO3
- (B) NaHCO3
- (C) Na2CO3.H2O
- (D) Na2CO3.10H2O
12. Direct conversion of chemical energy into electrical energy is done in a
- (A) Magnetohydrodynamic
(MHD) generator
- (B) Fuel cell
- (C) Fast
breeder reactor
- (D) None of
these
13. Extraction of __________ employs an electrolytic process.
- (A) Aluminium
- (B) Silver
- (C) Copper
- (D) All (a), (b)
and (c)
14. Inversion of sucrose produces
- (A) Fructose
- (B) Glucose
- (C) Both (a)
& (b)
- (D) Neither (a)
nor (b)
15. Phenolic antiseptics are added in the __________ soap.
- (A) Shaving
- (B) Medicated
- (C) Metallic
- (D) Transparent