Melamine Resin

Q. The polymer used for making contact lenses for eyes is

1. polymethy methacrylate

2. polyethelene

3. polyethylacrylate

4. Nylon - 6

Q. Which of the following is a monomer of Dacron?

1. Adipic acid
2. Terephthalic acid
3. Acetic acid
4. Formic acid

Q. The total number of lone pairs of electrons in melamine is
(IIT-JEE-2012)

1. 6
2. 4
3. 2
4. \N