Question

1. Why carbon dioxide is considered as a best fire extinguisher?
2. Why do goldsmiths use the outermost zone of the flame for melting gold and silver?

Answer 1

Hey friend....
Here is your answer..

1. Because carbon dioxide is very cold in nature and has ability to calm down the fire.

2. Because the outermost zone of the flame considered to be the most hot flame which can easily melts the gold and silver.

HOPE that it will help you

Answer 2

Co2 is used as the fire extinguisher because it cuts the contact of fire and o2 .o2 is essential for burning as the main source of fire-o2 is restricted by co2 it is known as best fire extinguisher

2) black smith and gold Smith use outermost flame as this zone is hotter than the inner zone