Chemical Process
Nylon 66 is so named because the

Number of nitrogen atoms between two carbon atoms are 6
Average degree of polymerisation of the polymer is 1966
Polymer was first synthesised in 1966
Number of carbon atoms between two nitrogen atoms are 6

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Fluorescent dyes are added in detergents to

Attain distinctiveness from other brands
Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics
None of these
Act as tarnish inhibitor for metals like German silver

ANSWER DOWNLOAD EXAMIANS APP