Day Questions

If one hears someone recites the Quran, is it obligatory on him to correct the mistakes of his recitation?

Although it is a good thing to correct another person’s recitation of the Quran, it is not obligatory to do so.

Is my prayer valid if the perfume that includes alcohol just touches my clothes?

Alcohol is Najis if it causes intoxication and the prayers is void when the clothes become Najis with alcohol or any other kind of Najasah. Yes, if the person does not know that alcohol is Najis, then the prayer is valid.