Chemistry in Everyday Life -1

Teflon is a complete fluorinated polymer. Teflon is a tough synthetic resin made by polymerising tetrafluoroethylene, chiefly used to coat non-stick cooking utensils and to make seals and bearings.

Nylon is made of poly-amides. Nylon is a tough, lightweight, elastic synthetic polymer with a protein-like chemical structure, able to be produced as filaments, sheets, or molded objects.

Bakelite is a thermosetting phenol formaldehyde resin, formed from an elimination reaction of phenol with formaldehyde.

Isoprene is a volatile liquid hydrocarbon obtained from petroleum, whose molecule forms the basic structural unit of natural and synthetic rubbers. Hence, Isoprene is the natural rubber.

Polypropylene is not used in heat resistant plastics, as it cannot withstand high temperatures.

Polypropylene is a chain growth polymer. Polypropylene is a synthetic resin which is a polymer of propylene, used chiefly for films, fibres, or molding materials.

Polymer obtained by condensation polymerization is phenol formaldehyde. Phenol formaldehyde resins are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde. Phenolic resins are mainly used in the production of circuit boards.

The catalyst used in the manufacture of polythene by Ziegler method is triethylaluminium and titanium tetrachloride.

Hydrogen bond is a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.

Glycin is an achiral amino acid. Glycin is the simplest, naturally occurring amino acid, which is a constituent of most proteins.

Cellulose is an insoluble substance which is the main constituent of plant cell walls and of vegetable fibres such as cotton. It is a polysaccharide consisting of chains of glucose monomers.

Rice is deficient in Lysine. It is a basic amino acid, which is a constituent of most  of the proteins. It is an essential nutrient in the diet of vertebrates.

Carbohydrates do not belong to lipids. They belong to a large group of organic compounds occurring in foods and living tissues and include sugars, starch, and cellulose.

Antibodies are proteins. Proteins are any of a class of nitrogenous organic compounds which have large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair etc. and as enzymes and antibodies.

Mutarotation does not occur in Sucrose. It is a compound which is the chief component of cane or beet sugar.