Q : Which among the following is false about natural rubber?
(A) It is an elastomer
(B) It is a monomer of cis-isoprene
(C) Natural rubber is a polymer of chlororprene
(D) It is heated with sulphur compounds to improve its properties
Plastic bottles are made of a polymer called PET. The expanded form of PET is
(A) Polyethylene terephthalate
(B) Polyethyl Terelene
(C) Polyethylene triphosphate
(D) Polyethyl tetrachloride
In chemistry, soap is a salt of a ............
(A) Fatty acid
(B) Glycol
(C) Phosphorous
(D) Ammounium Carbonate
The brand name Teflon represents which polymer?
(A) Polystyrene
(B) Polypropylene
(C) Polytetrafluoroethylene
(D) Polyethylene terephthalate
Which is widely used in the plastic industry for manufacturing Bakelite?
(A) Ethyl Alcohol
(B) Phenol
(C) Ortho-Cresol
(D) Catechol
The alkaloid naturally found in coffee, cocoa and colanut is
(A) Cocaine
(B) Morphine
(C) Tannin
(D) Caffeine
Which of the following is used as raw material for the manufacture of rayon?
(A) Coal
(B) Petroleum
(C) Cellulose
(D) Plastic
The gas which is present in both the natural gas and the bio-gas is
(A) Methane
(B) Butane
(C) Hydrogen
(D) Carbon Monoxide
The helical structure of protein is stabilized by
(A) Depeptide bonds
(B) Hydrogen bonds
(C) Ester bonds
(D) Peptide bonds
Which one of the following is non-reducing sugar?
(A) Glucose
(B) Sucrose
(C) Maltose
(D) Lactose
Get the Examsbook Prep App Today