Question

with
c. Thermocol melts at ...... °C.
d. ...... glass dissolves in water.
2. Who is my partner?
'A' column 'B' column
a. Lead glass i. Plates
b. Bakelite
ii. Mattresses
c. Thermocol iii. Electric bulb
d. Optic glass iv. Electric switch
e. Polypropylene v. Lens​

Answer 1

Answer:

210 degree celcius to 250 degree celcius