Question

pls answer and i will mark u brainliest , those who answer first or second will be only marked brainliest
Goldsmiths use the outermost zone of a flame with metallic blow pipe for melting gold and silver. This is because __________.
a. It has vapours which help in melting gold and silver
b. Oxygen supply is less in this zone
c. It has unburnt carbon particles
d. It is the hottest zone

Answer 1

Hey please answer my questions please

Answer 2

Answer:

Goldsmiths use the outermost zone of a flame with metallic blow pipe for melting gold and silver. This is because it is the hottest zone

d.it is the hottest zone

i hope this helps u