Accumulating interest money

Q:

1. Is it permissible to use interest earned on a bank account to donate to charity?

2. If so, can you then invest the interest earned into a separate bank account so as to let it accumulate so an even bigger amount can be donated in charity?

3. If not, what are some of the many ways in which one can dispose of interest received?

Insane person issuing talaaq

Q: What is the shari'ah law about a person who is mentally I'll. His mood swings every know and then, not wearing cloths properly, arguing with every one include mother and wife and relative's. Don't sleep during Knight, doctors diagnosed him as psychotic patient with severe palpations and he is on medication. During one big argument he became insane what ever he is talking he is not aware of what he is saying. His wife said that he said talaaq repeatedly. What is the rule for it?

Ghusal after haidh

Q: I suffered from continuous bleeding for many months now it's not continuous. But when I calculated my period time and break I calculated wrong. What should I do now? Mistakenly I considered nine days for period instead of ten days. I do wudu before ghusl everyday but I didn't have any intention of fard ghusl after completing 10 days. Are all my prayers fasts in ramadan unaccepted? What do I do now?

Vaginal discharge

Q: I have a problem of vaginal discharge. Whenever I put my finger inside to check It feels wet but I don't feel it without putting finger as its inside and sometimes I feel that the discharge coming out and sometimes its white discharge which leaves a stain in my dress. Am I ma'zoor in every state? And sometime blood comes out but as the discharge happens normally I cant distinguish between blood and discharge without seeing. In this case what should I do? If I see blood stain after performing my salaah?

Shellac

Q: Can we consume the ingredient e904 known as shellac, which is a secretion of a bug. Some Ulama say that it is permissible just like how honey is a secretion from the bee and is permissible. Please give a satisfactory answer.