state gov UP Police Head Operator (Radio Cadre) Mock Test General Science Chemistry Organic Chemistry
Consider the following statements about Thermosetting polymer.
1. These polymers are cross linked or heavily branched molecules
2. On heating, they undergo extensive cross linking
3. These polymers can be reused
Which of the above statements is/are correct?
1
1 only
2
1 and 2 only
3
2 and 3 only
4
1, 2 and 3