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MBD-SYNTHETIC FIBERS AND PLASTICS-EXAMPLE
- What happens when boron is heated in air ?
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- Why plastic material like polythene is preferred over natural material...
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- Give uses of polythene.
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- Give some uses of PVC.
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- What is blended fabric ? Why is it more comfortable to wear them than ...
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- What are biodegradable sub-stances?
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- What are natural and synthetic polymers ? Give two examples of each ty...
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- Suggest some ways to reduce the use of plastic materials.
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- Which way the plastic/polythene bags and wrappers thrown careless be h...
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- In which ways use of plastic materials is harmful for environment and ...
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- Why it is not advised to wear polyester clothes while working in a kit...
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- As a sensible and responsible citizen what measures would you adopt in...
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- Fill in the blanks:
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- Give uses of the following Polyester fibres
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- Give uses of the following Teflon
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- Give uses of polythene.
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- Give uses of the following Polypropylene
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- State four important properties and uses of nylon fibres.
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- Give the properties common to Nylon and Polyester fibres.
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- What is plastic? What are its different types?
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