Teflon is an example of polymer which is a/ an

• polyamide

• addition polymer

• polyester

• formaldehyde resin

Which of the following are addition polymers?

• Nylon

• Melamine formaldehyde resin

• Orlon

• All of these

Which one is least reactive in a nucleophilic substitution reaction?

• CH₃CH₂Cl

• CH₂=CHCH₂Cl

• CH₂=CHCl

• (CH₃)₃CCl

44.

Benzaldehyde reacts with CH₃NH₂ forming

• Schiff's base

• Hofmann base

• Saytzeff base

• None of these

A solution of D-glucose in water rotates the plane of polarised light 

• to the left

• to the right

• to either side

• None of these

Which of the following pairs give positive Tollen's test?

• Glucose, sucrose

• Glucose, fructose

• hexaual, acetophenone

• Fructose, sucrose

Which pair of polymers have similar properties?

• Nylon, PVC

• PAN, PTFE

• PCTFE, PTFE

• Bakelite, alkyle resin

Number of esters of the molecular formula C₃H₆O₂ can be

• 4

• 3

• 2

• 1

TEL is a compound used as

• antibiotic

• antiseptic

• antiknocking

• antioxidant

Aldol condensation reaction is not given by

• C₆H₅CH₂CHO

• C₆H₅CHO

• CH₃CHO

• CH₃COCH₃