Category: Chemical Process

A. Polyamide
B. Thermosetting resin
C. Polyester
D. None of these

A. Storage under improper conditions
B. Absence of unsaturation
C. Its smaller molecular weight
D. None of these

A. Nylon-6
B. Dacron
C. Polyester
D. PVC

A. Drying
B. Semi-drying
C. Non-drying
D. None of these

A. More unsaturated glycerides of fatty acids
B. Less unsaturated glycerides of fatty acids
C. Much higher reactivity to oxygen
D. Lower melting point

A. DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence
of oleum, which is a highly exothermic reaction
B. Chloral is obtained by the chlorination of ethyl alcohol
C. Insecticides acting on the insects through the respiratory system are called fumigants
D. Benzene hexachloride is not a contact insecticide

A. V2O5
B. Pt
C. Ni
D. Cr

A. Teflon
B. Bakelite
C. Polyester
D. Nylon-66

A. Ethyl benzene
B. Ethylene oxide
C. Ethanol
D. Ethane

A. It does not react with water
B. It is poisonous
C. Its kindling temperature in dry air is very low
D. It is unstable