1. Polymers described as large molecules built up from small repeating units called A. Biopolymers B. Dimers C. Monomers D. Metamers ✅ The correct answer is option C.
2. A polymer in which three different monomers combine called. A. Copolymer B. Terpolymer C. Homopolymer D. Biopolymer ✅ The correct answer is option B.
3. The important monomers of acrylic resins are A. Vinyl chloride B. Styrene C. Methylmethacrylate D. Hexamethylenediamine ✅ The correct answer is option C.
4. Polyester resins are the product of the reaction of A. Dihydric alcohol and dicarboxylic aromatic acids B. Polyamines with aliphatic dicarboxylic acids C. Styrene in the presence of a catalyst D. Epichlorohydrin with diphenol propane ✅ The correct answer is option A.
5. Industrial materials and thermal power stations are coated with A. Polyester resins B. Epoxy paints C. Polyamide resins D. Polyvinyl chloride ✅ The correct answer is option B.
6. Carbohydrates are polyhydroxy compounds of A. Glucose B. Glyceraldehydes C. Oligosaccharides D. Aldehydes and ketones ✅ The correct answer is option D.
7. A common example of carbohydrates are A. Cellulose glycogen galactose B. Glyceraldehydes glucose peptone C. Glycerol phospholipids collagen D. Legumin amylopectin albumin ✅ The correct answer is option A.
8. Nylon is obtained by heating A. Acrylic acid B. Epichlorohydrin C. Vinyl chloride D. Adipic acid with hexamethylene diamine ✅ The correct answer is option D.
9. Hydrolysis of an oligosaccharide in the presence of acid yields A. One monosaccharide unit B. No monosaccharide unit C. 2-9 monosaccharide unit D. many monosaccharides ✅ The correct answer is option C.
10. Amylose is A. Soluble in water B. Insoluble in water C. Soluble in alcohol D. Partially soluble in alcohol ✅ The correct answer is option A.