(A) The flint used in cigarette or gas lighters is made up of an alloy known as $Misch \ metal$. $Misch \ metal$ consists of a lanthanoid metal $(\ap

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(A) The flint used in cigarette or gas lighters is made up of an alloy known as $Misch \ metal$. $Misch \ metal$ consists of a lanthanoid metal $(\approx \ 95\%)$,iron $(\approx \ 5\%)$,and traces of $S$,$C$,$Ca$,and $Al$. Due to its pyrophoric nature,it produces sparks when struck,making it ideal for lighters.