1. The word plastic is derived from a Greek word
(A) plastikos
(B) plasticizer
(C) plasticone
(D) no one
2. The word “Poly” means
(A) one
(B) two
(C) too many
(D) few
3. The word 'mono' means
(A) one
(B) two
(C) too many
(D) few
4. The word 'mer' means
(A) atom
(B) molecule
(C) compound
(D) mixture
5. The molecules of plastic are joined together by
(A) Ionic bond
(B) Covalent bond
(C) Co-ordinate covalent bond
(D) All three
6. The plastic can be recycled
(A) Thermo
(B) Thermosetting
(C) Organic
(D) Inorganic
7. The plastic cannot be recycled
(A) Thermo
(B) Thermosetting
(C) Organic
(D) Inorganic
8. Plastic is soluble in organic solvents
(A) Thermo
(B) Thermosetting
(C) Organic
(D) Inorganic
9. PVC and polystyrene are the examples of plastic
(A) Thermo
(B) Thermosetting
(C) Organic
(D) Inorganic
10. Plastic is prepared with the help of addition polymerisation
(A) Thermo
(B) Thermosetting
(C) Organic
(D) Inorganic
11. Plastic is also called thermosets
(A) Thermo
(B) Thermosetting
(C) Organic
(D) Inorganic
12. Plastic is insoluble in organic solvents
(A) Thermo
(B) Thermosetting
(C) Organic
(D) Inorganic
13. Plastic is prepared with the help of condensation polymerisation
(A) Thermo
(B) Thermosetting
(C) Organic
(D) Inorganic
14. Melamine, bakelite and epoxy resin are examples of plastic
(A) Thermo
(B) Thermosetting
(C) Organic
(D) Inorganic
15. Acetylene and HCl react together in the presence of a catalyst to form
(A) Acrylic
(B) PVC
(C) Saran
(D) Dacron
16. Is obtained from the chemical reaction of phenol and aldehyde
(A) PVC
(B) Teflon
(C) Bakelite
(D) Melamine
17. Is used for the manufacture of electric switches and plates
(A) PVC
(B) Teflon
(C) Bakelite
(D) Melamine
18. Is obtained from the chemical reaction of urea and aldehyde
(A) PVC
(B) Teflon
(C) Bakelite
(D) Melamine
19. Is a food-grade plastic and is used to prepare crockery
(A) PVC
(B) Teflon
(C) Bakelite
(D) Melamine
20. Is used to coat electrical wires
(A) PVC
(B) Teflon
(C) Bakelite
(D) Melamine