Go to Narutopedia's article about him. His infobox shows which techniques he has used.
His face
Grey or White.
the great fireball jutsu and other katon (fire) jutsus!!
kakashi chronicles
im not sure but there are limits for certain jutsus i dont use guns or jutsus i would like to be able to use jutsus but u could (i think) yes you actually can use it but you have to be verry skilled at using your chi (chakra) and being able to move it around your boddy by your own will
No, she is dead.
Yes she is dead, but noone knows how.
september 15
No. It is not shown in the movie
Kakashi's full name is : Hetake, Kakashi
She's unkown, but it's stated in the manga that she died very young.
about a 1000