Impurities

Q: If I was in the bathroom and mistakenly I stepped on my pants I was wearing, do my pants become napaak? Do I have to change my pants?

Q: If I see white discharge the amount of 1 dirham after performing salah, should I repeat my salaah?

What should be considered as najasat, only the white discharge or both white discharge and the wet part around it?

Q: Two days ago, there was dog sniffing the pathway for a long time. I saw a small handful puddle of wetness. So on that area I pushed the pram back and front again twice. After couple of days, my son used to play with the pram tyre by rolling it on his hand. He did that with wet hands and touched utensils with wet hands to eat and below where I have later placed utensils on top when wet. Now I know if a dog licked it we have to wash the earth 7 times. Now because of the saliva that has spread on my house must I wash each utensil that have been touched by him. 

Q: When my semen discharged from the place and some of it fell on my room mat but instantly I cleared the dirty place with a cloth. Now I'm confused, shoud I wash that particular place which got affected by my discharge or shoud I wash the whole mat?

Q:

1. I was in my mother's house and my son urinated on my mom. My mum dried the urine with a tissue and mopped the area once. Then she washed my son just by wiping him with wet hands. I feel that he has not been cleansed properly. I brought him to my house immediately because wherever he touches with wet hands will become naajis since I still didn't wash him properly. The areas that he touched with his hands became naajis, so do I have to wipe that area that he touched also?

2. There are soiled urine clothes. Previously I used to wash them in a bucket 3 times but I don't squeeze the water out. Must I wash the clothes and clothes dryer rack again or will just wiping the clothes dryer rack suffice? 

Q: On my house carpet, sperm and urine has been on the carpet, however it has dried up and there's no trace left. Does the impurity from this area of the carpet transfer to people who step on the carpet? If not, what if someone with wet feet steps on the area. Also, does impurity transfer when it is wet or damp?

Q: Will a floor become pure (taahir) by mopping it three times for urine? As we stepped on the urine and walked while wet?

It will be done by mopping one time then dip the mop in new water then mop again and repeat two more times?

Q: My non-baaligh brother often has accidents. This time, when he pooped in bed, I threw the bedsheets in the washing machine along with his underwear which was first washed by hand, and set the rinse 2 times for a total of 4 hours. During the second rinse I even threw in some of my clothes. As I was taking everything out of the dryer, the stains from the sheets were completely gone, and all the clothes smelled good, but then his underwear had a very light brownish colour and some odor. Does that mean the underwear is impure and everything else that was washed with the underwear is also impure? I put everything in the dryer before I noticed any of this so does that mean the dryer has to be purified now? What must I do?

Q: What is the correct procedure of washing clothes by hand to make them paak? Is it ok to do this:

First rinse out the bucket, then put the clothes in the bucket, and add detergent and clean water from the tap. And soak for a few mins. After take the clothes out one by one and rinse under the tap and squeeze out the water several times.

Q: During prenancy, due to extra pressure on the uterus, it is too difficult to move and urinate. This pressure causes some fluid to be discharged from time to time especially when you try to move or have urine pressure. For namaz and wudhu, do we have to wash the trouser again and again? I live in a joint family home and it looks very wierd and awkward. If a lady teaches in school, there might be no washroom to wash the trouser. I have only two dresses then I'll have to wash the trouser many times for offering salah or reciting Quran?