Please select a subject first
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Write the names and schematic representations of all the possible dipeptides formed from alanine, glycine and tyrosine.
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Draw a neat diagram for the following:
Zwitter ion
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Answer the following
Explain Gabriel phthalimide synthesis.
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Draw a neat diagram for the following:
Secondary structure of protein
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Draw a neat diagram for the following:
Enzyme catalysis
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Answer the following
Explain the ammonolysis of alkyl halides.
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Choose the correct option from the given alternatives.
Which of the following is made up of polyamides?
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Answer the following in one sentence.
Identify 'A' in the following reaction:
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Answer the following in one sentence.
Identify 'B' in the following reaction:
\[\ce{H2N -(CH2)6 - NH2 + HOOC - (CH2)4 - COOH ->[N2][533 K]}\]'B'
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Write reactions to prepare ethanamine from Acetonitrile.
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Answer the following in one sentence.
Define the term: Vulcanization
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Answer the following in one sentence.
What type of intermolecular force leads to high-density polymer?
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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
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Answer the following.
Write the reaction of the formation of Nylon 6.
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Answer the following.
Write the reaction of the formation of Terylene.
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Answer the following.
Write structure of natural rubber and neoprene rubber along with the name and structure of their monomers.
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Answer the following.
Name the polymer type in which following linkage is present.
\[\begin{array}{cc}\ce{- C - O -}\\||\phantom{.....}\\
\ce{O\phantom{.....}}\end{array}\]
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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 |
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Choose the most correct option.
Which of the following is ϒ-isomer of BHC?
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