Please select a subject first
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Answer the following in one sentence.
Define the term: Vulcanization
Concept: undefined >> undefined
Answer the following in one sentence.
What type of intermolecular force leads to high-density polymer?
Concept: undefined >> undefined
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Answer the following in one sentence.
Identify thermoplastic and thermosetting plastic from the following:
- PET
- Urea formaldehyde resin
- Polythene
- Phenol formaldehyde resin
Concept: undefined >> undefined
Answer the following.
Write the reaction of the formation of Nylon 6.
Concept: undefined >> undefined
Answer the following.
Write the reaction of the formation of Terylene.
Concept: undefined >> undefined
Answer the following.
Write structure of natural rubber and neoprene rubber along with the name and structure of their monomers.
Concept: undefined >> undefined
Answer the following.
Name the polymer type in which following linkage is present.
\[\begin{array}{cc}\ce{- C - O -}\\||\phantom{.....}\\
\ce{O\phantom{.....}}\end{array}\]
Concept: undefined >> undefined
Answer the following.
Match the following pairs:
| Name of polymer | Monomer |
| 1. Teflon | a. CH2 = CH2 |
| 2. PVC | b. CF2 = CF2 |
| 3. Polyester | c. CH2 = CHCl |
| 4. Polythene | d. C6H5OH and HCHO |
| 5. Bakelite | e. Dicarboxylic acid and polyhydoxyglycol |
Concept: undefined >> undefined
Choose the most correct option.
Which of the following is ϒ-isomer of BHC?
Concept: undefined >> undefined
Draw the structures of polymers formed from the following monomers
\[\ce{n HOOC–R–COOH + n HO–R'–OH}\]
Concept: undefined >> undefined
Answer the following.
Draw the structures of polymers formed from the following monomers
H2N–(CH2)5 – COOH
Concept: undefined >> undefined
Name and draw structure of the repeating unit in natural rubber.
Concept: undefined >> undefined
Write the formula to calculate the % atom economy.
Concept: undefined >> undefined
Name the γ-isomer of BHC.
Concept: undefined >> undefined
Answer the following.
Write name and formula of raw material from which bakelite is made.
Concept: undefined >> undefined
Identify condensation polymers and addition polymers from the following.
\[\begin{array}{cc}\ce{-(CH2 - CH -)_{n}}\\
\phantom{....}|\\\ce{\phantom{.......}C6H5}
\end{array}\]
Concept: undefined >> undefined
Identify condensation polymers and addition polymers from the following.
-(CH2 - CH = CH - CH2 -)n
Concept: undefined >> undefined
Identify condensation polymers and addition polymers from the following.
-(CO(CH2)4 - CONH(CH2)6NH-)n
Concept: undefined >> undefined
Identify condensation polymers and addition polymers from the following.
Concept: undefined >> undefined
Attempt the following:
Write the chemical reactions involved in the manufacture of Nylon 6,6.
Concept: undefined >> undefined
