he ignores it because he doesnt love hinata back and im pretty sure hinata knew this but probably couldnt hide her feelings any longer
i dont know the number but its called 'Hinata's confession'
No such chapter out till now...
Nope, No changes so far.
No, he didn't. Maybe later in manga.
Well he will marry Hinata because Hinata told naruto that she loves him so that's why. You can see it in youtube just put naruto shippuden ch.427 : confession.
Yes. In chapter 437 she confesses to Naruto, thus the chapter title 'confession'.
I do not think he does because everyone [{(that I know)}] in naruto Knows about Hinata's confession to Naruto and that would ruin most of kiba's hope with a relationship with Hinata that he knows she likes Naruto and he does not want to ruin his best friend's relationship [do not blame me I am a NaruHina fan]
He hasn't answered to her confession yet
He hasn't answered her love confession yet, but she doesn't seams to mind.
As of the current chapters of the manga...no.
She has already professed her love to Naruto while fighting against Pain. Her confession has gone unanswered due to the shadow of war.
it's because he hasn't seen her since, so maybe that's why he hasn't spoken to her.