A. Cation/anion exchanger
B. Water soluble adhesive
C. Textile fibre
D. Non-sticky coating on frying pans
A. Phenol
B. Naphthalene
C. Benzene
D. Pyridine
A. 25
B. 50
C. 70
D. 90
A. Poor tensile strength
B. Poorer resistance
C. Greater amount of heat build up heavy loading
D. All A., B. and C.
A. Lignin
B. Cellulose
C. Polyamides
D. Ethylene glycol
A. Thermoplastic
B. Melamine
C. Addition
D. None of these
A. Polyurethane
B. Phenol formaldehyde
C. Polychlorophrene
D. Styrene butadiene rubber (SBR)
A. Addition polymerisation product
B. Condensation polymerisation product
C. Thermosetting material
D. None of these
A. Its softening
B. A treatment to retard its deterioration due to oxidation
C. Improving its curing rate
D. Depression of its freezing point
A. Elastomers
B. Fibres
C. Thermoplastics
D. Thermosetting polymers