Nichrome is a nickel-chromium alloy containing some iron and/or other metals. Typically, 80 percent Ni and 20% Cr are present.
Resistance wire is made of nichrome. It can be found in a wide range of devices that require electric heating.
Some dental restorations contain it (fillings).
It’s utilized as a bridgewire in electric ignition systems like electric matches and model rocket igniters in the explosives and fireworks industry.
Final Answer:-
Composition:- nickel and chromium
uses:- used in explosive and firework industry