The fundamental way to transfer energy are:
A. pressure and temperature
B. pressure and volume
C. heat and volume
D. heat and work
Formaldehyde on condensation in the presence of calcium hydroxide:
A. Formose
B. Fructose
C. Maltose
D. Xylos
Lactic acid on oxidation by alkaline potassium permanganate gives:
A. Propionic acid
B. Cinnamic acid
C. Pyruvic acid
D. Tartaric acid
Shiff’s reagent gives pink color with
A. Acetone
B. Acetaldehyde
C. Acetic acid
D. Methyl acetate
Numbers of subatomic particles?
A. 2
B. 3
C. 1
D. more than 3
Neoprene is
A. Natural rubber
B. Vulcanized rubber
C. synthetic rubber
D. All of the above
Example of cross linked polymer is
A. Natural polymers
B. semisynthetic polymers
C. Synthetic polymers
D. None of These
Hexamethylene diamine and adipic acid combine to form
A. Natural rubber
B. Synthetic rubber
C. nylon 6-6
D. Polystyrene
Example of copolymers is
A. Polyethylene
B. PVC
C. Orlon
D. nylon 6-6
Nylon-2-nylon-6 is a ______ polymer?
A. biodegradable polymer
B. Synthetic polymer
C. Natural polymer
D. Branched polymer
