Dropped my iPad in water about 7 hours ago and I'm just doing this now, will it work?

Dropped my iPad in water about 7 hours ago and I'm just putting it in rice now, will it work? My mum doesn't know but she's kill me 😰. The sound works but the screen has gone pitch black, what do I do… I can't pay for it, I don't have any money. Please use sources xx thanks xx

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