111-(a)
2-(d)
Explanations - 1 - tukka
2 - tukka
[3][3][3]
Q-1 natural silk is:
a)polyester
b)polypeptide
c)polyurethane
d)polyamide
Q-2 the compound act as anti-dandruff agent (may)
a)hexachlorophene
b)resorcinol
c)salicyclic acid
d) all
plzz answer htem with exp. also
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8 Answers
1arey yaar tukka mat maro main sach bahoot pareshan hoon bhai mere plzzzz[2][7][13][15][16]
11Arey yaar, tera pareshani mujhko bhi hai. Main bhi chem mein disastrous hoon. That is what I don't like chem. Ask any admin or any other elderly person ([3]) what subject they remember the least and you'll surely get chem as the answer.
24read it,............neither I know its formula nor its prep.................sorry
1Q1. Ans is b.
Natural silk is polypeptide formed by aminoacids. There are different forms of natural silk and the composition of aminoacids is different for different forms. However, glycine is predominant.
Q2. Ans is d.
13yes d) is the answer for Q2
http://www.chemicalland21.com/arokorhi/lifescience/phar/RESORCINOL.htm
http://www3.interscience.wiley.com/journal/118981387/abstract
www.freepatentsonline.com/y2003/0003070.html