science
Grade-5
Easy
Question
See the figure given below and select the correct statements regarding plastics.
(i). Figure (a) shows the structure of a monomer, while figure (b) shows the structure of a polymer.
(ii). Figure (a) shows the structure of a linear polymer, while (b) shows the structure of a cross-linked polymer.
(iii).Small blocks in the structure represent monomers that are joined to give a polymer.
(i). Figure (a) shows the structure of a monomer, while figure (b) shows the structure of a polymer.
(ii). Figure (a) shows the structure of a linear polymer, while (b) shows the structure of a cross-linked polymer.
(iii).Small blocks in the structure represent monomers that are joined to give a polymer.
- Only (i) and (ii)
- Only (ii) and (iii)
- Only (i) and (iii)
- Only (ii)
Hint:
Plastics are made-up of small building blocks of molecules in a linear or cross linked fashion.
The correct answer is: Only (ii) and (iii)
- Plastics are polymers made up of multiple monomers.
- These monomers can be structured in a linear way or a cross linked way as shown in the figures.
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