Polymers

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Q1. What is the main characteristic of elastomers?

Solution:

Elastomers are characterized by their elastic properties, allowing them to stretch and return to their original shape.

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Q2. Which of the following is a characteristic of elastomers?

Solution:

Elastomers are known for their elastic properties, allowing them to stretch and return to their original shape.

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Q3. Which polymer is known for its high resistance to heat?

Solution:

Teflon (PTFE) is known for its high heat resistance and non-stick properties.

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Q4. Which polymer is commonly used in 3D printing?

Solution:

PLA (Polylactic Acid) is a commonly used polymer in 3D printing due to its ease of use and biodegradability.

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Q5. What is the process of forming a polymer from monomers called?

Solution:

The process of forming a polymer from monomers is called polymerization.

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Q6. What is the monomer of polystyrene?

Solution:

The monomer of polystyrene is styrene, which polymerizes to form polystyrene.

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Q7. What type of bond is primarily responsible for the strength of polymers?

Solution:

Covalent bonds are primarily responsible for the strength and stability of polymer chains.

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Q8. Which of the following is a thermosetting polymer?

Solution:

Bakelite is a thermosetting polymer, while the others are thermoplastics.

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Q9. What is the primary use of polystyrene?

Solution:

Polystyrene is widely used in packaging materials due to its lightweight and cushioning properties.

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Q10. Which of the following is a synthetic polymer?

Solution:

Polyvinyl chloride (PVC) is a synthetic polymer commonly used in construction and plumbing.