K2 (Cu(CN)4) which one is correct___________________?
(A) Potassium tetra cyano cupperate
(B) Co-ordination number is 2
(C) Ligand is positively charged
(D) Central atom is present in avionic sphere
When an active metal like Al comes in contact with less active element like Cu then it produces__________________?
(A) dry cell
(B) galvanic cell
(C) electrolytic cell
(D) A and B
The process of polymerization was classified by___________________?
(A) Strecker
(B) Sabatier
(C) Runge
(D) W. H. Carothers
Hydrolysis of an oligosaccharide in the presence of acid yields________________?
(A) one monosaccharide unit
(B) No monosaccharide unit
(C) 2-9 monosaccharide unit
(D) many monosaccharide
Common example of carbohydrates are__________________?
(A) Cellulose glycogen galactose
(B) Glyceraldehydes glucose peptone
(C) Glycerol phospho lipids collagen
(D) Legumin amylopectin albumin
Industrial materials and thermal power stations are coated with______________________?
(A) Polyester resins
(B) Epoxy paints
(C) Polyamide resins
(D) Polyvinyl chloride
The important monomers of acryclic resins is__________________?
(A) Vinyl chloride
(B) Styrene
(C) Methylmethacrylate
(D) Hexamethylenediamine
Polymers described as large molecules built up from small repeating units called________________?
(A) Biopolymers
(B) Dimers
(C) Monomers
(D) metamers