Question

by which material the glass in breaked & joined ?
a)laser light
b) fire
c)none of the above
d)both a & b​

Answer 1

Answer:

PTFE

Explanation:

A thin layer of PTFE material or grease is usually applied to the ground-glass surfaces to be connected, and the inner joint is inserted into the outer joint such that the ground-glass surfaces of each are next to each other to make the connection.

Answer 2

Answer:

Ola hu uber Motherchodee Mohammad ul Raheem