Thermoset
Trending Questions
Q. Assertion : Bakelite is a thermosetting polymer.
Reason : Bakelite can be melted again and again without any change.
Reason : Bakelite can be melted again and again without any change.
- If both assertion and reason are true and the reason is the correct explanation of the assertion.
- If both assertion and reason are true but reason is not the correct explanation of the assertion.
- If assertion is true but reason is false.
- If assertion is false but reason is true.
Q. Assertion : Bakelite is a thermosetting polymer.
Reason : Bakelite can be melted again and again without any change.
Reason : Bakelite can be melted again and again without any change.
- If both assertion and reason are true and the reason is the correct explanation of the assertion.
- If both assertion and reason are true but reason is not the correct explanation of the assertion.
- If assertion is true but reason is false.
- If assertion is false but reason is true.
Q. Why can't thermosetting polymers be reused after getting moulded?
- They become soft at high temperatures and melt.
- They form crosslinks at high temperatures which make them hard and strong
- They become brittle at high temperatures
- They cannot be heated as they are very good conductors of heat.