ANSWER:

It’s authentic 

QUESTION: I read somewhere that there is also a colder side in hell like extreme cold its called zamharir. Is it authentic? If yes can you share the source it will be beneficial.

Paradise and Hell, Punishments | August 4, 2025 2:17 am
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QUESTION: Why are there specific rewards in Jannah for types of people (eg. martyrs) if Allah says in Jannah you will get whatever you desire? Can’t I just wish for the reward of a martyr?
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QUESTION: There are 4 things that if women do she’ll go to jannah, one of them is obeying husband, what if she doesn’t have a husband? If she does all other 3 except obeying husband bcs she doesn’t have one, does this hadeeth apply to her