No, it is not pure and it must be washed or cleaned by any cleaning detergent that would remove it.

If liquid impurities lands on a wooden table whose surface is quite rough, and then the liquid dried up or evaporates, is that part of the table now pure?

Purity | June 13, 2015 6:03 am
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When I will be praying I feel I has pass few 1 drop of urine this happens once after I urinate then I make wudu while standing for my salah ,so should I have to continue or I must perform wudu again so like wise I can keep the same wudu till my next salah like from dohor till asr?
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If string or a strand of hair enters the rear in the shower after cleaning the area but before wuthu, must you clean again? Before making wuthu this happened, I ignored it, made wuthu and prayed. I found the hair later upon wiping.I feel as if my prayer is not valid?