1 |
Which one of the following polymers is called a polyamide |
Nylon
Rayon
Terylene
Orlon
|
2 |
A polymeric substance that is formed in the liquid state and then hardened to a right solid is called a |
Fiber
<div>Plastic</div>
Varnish
Polyamid resin
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3 |
Plastics are a pollution problem because many plastics |
Are made from petroleum
Are very inflammable
Burn to produce toxic fumes
Decompose to produce toxic products
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4 |
In which these process are small organic molecules made into macromolecules. |
The cracking of petroleum fractions
The fractional distillation of crude oil
The polymerization of ethene
The hydrolysis of proteins
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5 |
Which property of triglycerides is used to determine its molecular mass. |
acid number
Saponification number
Iodine number
gold number
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6 |
Which process is used to convert vegetable oil to vegetable ghee. |
Hydrolysis
Oxidation
Esterification
Hydrogenation
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7 |
Fats are |
Saturated glycerides
Unsaturated glycerides
Polyhydroxy ketose
Polyhydroxy aldose
|
8 |
Which amino acid is present in cheese |
Glycine
Alanine
Tyrosine
Valine
|
9 |
Essential amino acids are those which |
Are present in every protein
Must be supplied to body through diet
Contain two carbocyclic acid and one amino group
Is syntherised by our body
|
10 |
Which is simplest amino acid |
Alanine
Protein
Lysine
Glycine
|
11 |
The number of peptide bonds in dipeptide is |
0
1
2
3
|
12 |
In which process, an amino acid is produced |
Wurtz synthesis
Strecker synthesis
Kolbe synthesis
Cannizzaro reaction
|
13 |
Which one of the following is not amino acid. |
Alanine
Glycine
Aspartic acid
Aniline
|
14 |
Flavour of ethyl butyrate is |
Orange
Pine apple
Banana
Apricot
|
15 |
What is Glacial acetic acid |
Pure acetic acid
95% acetic acid
a mixture of acetic acid and glycerol
Vinegar
|
16 |
Which substance is used to consulate rubber latex |
Ethyl alcohol
Acetaldehyde
Acetic acid
Water
|
17 |
Acetic acid form a dimer in liquid phase because. |
Low ionization constant of acid
High solubility in water
Hydrogen bonding
Greater polarity
|