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Jyoti Mahajan
Subject: Chemistry
, asked on 21/5/18
Can a homo polymer be obtained from condensation polymerisation ? If yes , give example.
Answer
1
Archana
Subject: Chemistry
, asked on 3/5/18
Please say.wheter the below statement is correct or not?
Acrylonitrile can be obtained by carbylamine reaction.
Answer
1
Chinmayi
Subject: Chemistry
, asked on 24/4/18
Which of the following is a covalent network solid?
a)SiO4
b)SiCl4
Thankyou
Answer
2
Muhammad Arafath R Z
Subject: Chemistry
, asked on 18/4/18
Polymers mains 2018 online question
Q.20. Which of the following statements is not true ?
1. Chain growth polymerisation includes both homopolymerisation and copolymerisation.
2. Step growth polymerisation requires a bifunctional monomer.
3. Nylon 6 is an example of step-growth polymerisation.
4. Chain growth polymerisation involves homopolymerisation only.
Answer
1
Muhammad Arafath R Z
Subject: Chemistry
, asked on 18/4/18
Polymers mains 2018 online question
Q.20. Which of the following statements is not true ?
1. Chain growth polymerisation includes both homopolymerisation and copolymerisation.
2. Step growth polymerisation requires a bifunctional monomer.
3. Nylon 6 is an example of step-growth polymerisation.
4. Chain growth polymerisation involves homopolymerisation only.
Answer
2
Drishti
Subject: Chemistry
, asked on 2/4/18
Nylon 6,6 has force hydrogen bonding. How?
Answer
1
Drishti
Subject: Chemistry
, asked on 30/3/18
Why diethyl pthalate cannot be used as plasticiser?
Answer
1
Poonam Tripathi
Subject: Chemistry
, asked on 9/3/18
Q. Which polymer is this and what is its nonomer unit
Answer
1
Yatharth
Subject: Chemistry
, asked on 9/2/18
Question) Arrange the following alkens towards order of increasing reactivity in carbon polymerisation.
A
)
H
2
C
=
C
H
C
H
3
B
)
Q
C
H
=
C
H
2
C
)
H
2
C
=
C
H
C
3
H
5
D
)
H
2
C
=
C
H
C
O
O
C
H
3
Answer
1
Sandra Saju
Subject: Chemistry
, asked on 22/1/18
Arrange the following polymers in increasing order of their intermolecular forces :
Nylon- 6,6 ; Buna-S ; melamine
Answer
5
Sandra Saju
Subject: Chemistry
, asked on 22/1/18
Write the expanded form and give the structures of monomers for the following polymers :
(i) PAN.
(ii) PTFE
Answer
1
Sandra Saju
Subject: Chemistry
, asked on 21/1/18
What is the main constituent of bubble gum ?
Answer
1
Rugma M
Subject: Chemistry
, asked on 11/12/17
biodegradable polyester
Answer
2
Rugma M
Subject: Chemistry
, asked on 10/12/17
homopolymer where its a polyamide
Answer
1
Tithi
Subject: Chemistry
, asked on 30/10/17
Solve this
T
h
e
f
o
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a
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C
a
C
2
+
2
H
2
O
→
C
a
(
O
H
)
2
+
C
2
H
2
C
2
H
2
+
H
2
→
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2
H
4
n
C
2
H
2
→
-
(
C
H
2
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C
H
2
)
n
—
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h
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a
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d
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r
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64
k
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C
a
C
2
i
s
(
1
)
7
k
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(
2
)
14
k
g
(
3
)
21
k
g
(
4
)
28
k
g
Answer
1
1
2
3
4
5
Next
What are you looking for?
Acrylonitrile can be obtained by carbylamine reaction.
Which of the following is a covalent network solid?
a)SiO4
b)SiCl4
Thankyou
Q.20. Which of the following statements is not true ?
1. Chain growth polymerisation includes both homopolymerisation and copolymerisation.
2. Step growth polymerisation requires a bifunctional monomer.
3. Nylon 6 is an example of step-growth polymerisation.
4. Chain growth polymerisation involves homopolymerisation only.
Q.20. Which of the following statements is not true ?
1. Chain growth polymerisation includes both homopolymerisation and copolymerisation.
2. Step growth polymerisation requires a bifunctional monomer.
3. Nylon 6 is an example of step-growth polymerisation.
4. Chain growth polymerisation involves homopolymerisation only.
Nylon- 6,6 ; Buna-S ; melamine
(i) PAN.
(ii) PTFE