Industrial materials and thermal power stations are coated with______________________?
A. Polyester resins
B. Epoxy paints
C. Polyamide resins
D. Polyvinyl chloride
Submitted by :- Jamil Ahmed
The important monomers of acrylic resins is__________________?
A. Vinyl chloride
B. Styrene
C. Methyl methacrylate
D. Hexamethylenediamine
Submitted by :- Jamil Ahmed
Polymers described as large molecules built up from small repeating units called________________?
A. Biopolymers
B. Dimers
C. Monomers
D. metamers
Submitted by :- Jamil Ahmed
Any process of chemical decay of metals due to the action of surrounding medium is called__________________?
A. activation
B. enameling
C. corrosion
D. coating
Submitted by :- Jamil Ahmed
Carbohydrates are polyhydroxy compounds of___________________?
A. Glucose
B. Glyceraldehyde’s
C. Oligosaccharides
D. Aldehydes and ketones
Submitted by :- Jamil Ahmed
Polyester resins are the product of the reaction of__________________?
A. Dihydric alcohol and dicarboxylic aromatic acids
B. Polyamines with aliphatic dicarboxylic acids
C. Styrene in the presence of catalyst
D. Epichlorohydrin with diphenyl propane
Submitted by :- Jamil Ahmed
A polymer in which three different monomers combine called_____________?
A. Copolymer
B. Terpolymer
C. Homopolymer
D. Biopolymer
Submitted by :- Jamil Ahmed
The nitrogenous base different in RNA as compared to DNA is_________________?
A. Cytosine
B. Thymine
C. Adenine
D. Guanine
Submitted by :- Jamil Ahmed
Nucleic acids were first demonstrated in_________________?
A. Pus cells
B. Sperm heads
C. 1872
D. all of the above
Submitted by :- Jamil Ahmed
Enzyme proved useful in cancer treatment is_______________?
A. Lactic dehydrogenase
B. Alkaline phosphatase
C. L-asparaginase
D. Cellulase
Submitted by :- Jamil Ahmed