Question

Name the metal which does not catches fire when placed in air, but burns with the dazzling white flames on heating

Answer 1

Maybe magnesium...
I hope it's correct...
Please verify

Answer 2

I think that this metal is magnesium.This is because when we keep the ribbon in the air it will not catch fire but, when we burn it we see it burning with a dazzling white flame.

Hope you like the answer.
THANK YOU