Hanging a photo of the Kabah on the front wall of the musjid

Q: In our Masjid someone has placed a hanging painting/photo of Kaba and Gumbade Khazra at the wall near the (Member- place where Imam leads the Salah). Is it permissible to put it there. I have reservations. So far I am concerned as it diverts the attention of cautious and creative people and therefore not good to keep these things in Masjid. Is it correct?

Purdah from non-mahrams

Q:

1. I would like to know who is regarded as your mahram and who do you keep pardah from? Are milk brothers and sisters classified as mahrams? What happens if the lady who fed both of them pass away?

2. Is my step brother (both from my mother and father) classified as a mahram for my daughter?

3. Can a woman travel without a Mahram and what is the sin for doing this?

4. What is the sin for talking or even touching a non-mahram?

Taking food from food banks

Q: What is the ruling for taking food from food banks (that give food to anyone who comes? My family is not poor but can have a tight budget of halal income and my mom goes to food banks to get food because anyone can. Also, if someone takes food from a food bank without needing it, does the food become haram?

Also, the food banks get donations from halal meat places, and some of the packaging has company name and the halal symbol on it but some don't (because the separate them into plastic bags). The people at the food bank say that the one's that don't have labels on it also came from halal stores. Is it permissible to eat these?

Is mocking people kufr?

Q: Suppose that I was explaining a question of maths to another person. He was weak in maths so he could not understand properly what I explained. Then I mocked at him that you couldn't understand this simple problem and others also laughed at him. Then, because I mocked at someone who was trying to learn something. Learning to score good marks and please his parents. Pleasing his parents to please Allah. So indirectly I mocked at him while he was trying to please Allah. Is this kufr indirectly? Mocking on a person who tried to please Allah.

Are vitamins in milk halaal?

Q: In Saudi Arabia all milk are fotified with vitamin A and D which we dont know whether it is halaal or haraam. Since we are female we cannot make complete investigations and enquiries. We have not been drinking milk for approximately 6 months. But we need to drink milk for nutritional purposes. Can we drink the milk or not? My younger sister is weak and she needs to drink milk.