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
Number of carbon atoms between two nitrogen atoms are 6
Polymer was first synthesised in 1966

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Chemical Process
Pick out the wrong statement pertaining to the soap manufacture.

Both laundary as well as toilet soaps are manufactured by hot process
Organic pigments are used as colouring materials in the soap manufacture
Transparent soaps are made by cold process
Colourless rosin is used in the manufacture of laundary soaps

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