A gift will not be valid without delivery of possession.

Sadaquah is a gift with a religious motive to acquire merit in the eyes of the lord and a recompense in the next world.

If the donor attaches a condition to his gift, the condition is void and the gift takes effect unconditionally.

All of the above are not complete.

Hiba-bil-iwaz literally means a gift for an exchange. 

Under Muslim law, an act of making a gift should fulfil three conditions, a declaration by donor, acceptance by the donee and delivery of possession by the donor and taking of it by the donee.

Chapter VII of the Transfer of Property Act deals with gifts in India. 

Declaration of a gift, acceptance of a gift and delivery of possession are essential conditions of a gift under Muslim law.

A hiba or simple gift made gratuitously between living persons literally means the donation of a thing.

When the gift (hiba) is delivered and the donor has accepted the consideration (iwaz), it becomes irrevocable. 

All of the above

All of the above are examples where property is undivided.

A gift can be revoked by the donor anytime whether before or after the delivery of possession of the gift is made.

Under Muslim law, Mushaa means an undivided share in property.

All the gifts made above are irrevocable under Sunni law.