Nikaah & Marriage Issues

Q: Can a Muslim woman marry a Muslim man of another caste or ethnicity/nationality where there are differences in cultures and thoughts.

Q: If a woman becomes a murtadd (apostate) with the intention of breaking her nikaah (marriage), will her nikaah break?

Q: I would like to know about the prayer that the bridegroom and bride pray together after nikah and before consuming their marriage. How is it performed and why? I will be getting married soon and have heard about this from an old person and he has not been able to give me more details. All the others to whom I have asked, no one knows about it.

Q: Is it permissible to get physical after nikaah without ruksati?

Q: When is the Sunnah time to do circumcision? How many days after birth should it be done?

Q: When a baby is born, and the azaan needs to be given, I have read in Kitabs that the baby needs to be bathed then azaan must be given. Is this a general bath to wash off the impurities or must you give the baby a ghusl bath?

Q: After marriage, who comes first, the husband or the wife’s brother and family?

Q: A woman remarried when her children were still little. They regard her current husband as their own father. Is it necessary to inform them that he is not their biological father, keeping in consideration the hurt and emotional pain they will feel if they come to know? Also, the woman is afraid that they may behave differently should they find out.

Q: Must the hair of a newborn baby girl also be shaved on the 7th day after birth?