Question

Name the following:

a)A gas that is produced when metals react with acids.

b)A gas which is essential for combustion.

9. Explain the difference between thermoplastic and thermosetting plastics.​

Answer 1

a) Hydrogen gas

b) oxygen

c) thermoplastic - These are the plastics that can be remould on heating .

Thermosetting- These are the plastics that can not be remould on heating.

please follow me and mark me as the brainliest

Answer 2

Answer:

a)A gas that is produced when metals react with acids. hydrogen gas

b)A gas which is essential for combustion. Oxygen

9. Explain the difference between thermoplastic and thermosetting plastics.

ans)Thermoplastics have secondary bonds between molecular chains. Thermosetting plastics have primary bonds between molecular chains and held together by strong cross-links. 

Thermoplastics have low melting points and low tensile strength.Thermosetting plastics have high melting points and tensile strength.

Explanation:

please mark me as brainliest and follow me