Giving zakaah to a poor person so that he can go for Hajj

If the cash is a little more than the nisaab, does one have to pay zakaah on this additional amount?

He works in a foreign country and sends his zakaah to his homeland

It is not prescribed to utter the intention (niyyah) out loud when giving zakaah

Can gold be added to silver to complete the nisaab?

If a poor person is able to do a job that is not befitting for him, can he take zakaah funds?

Can he send the poor person to collect the debt owed to him and regard that as zakaah?

He sponsored an orphan; can he give him zakaah?

He is a teacher in a village whose people gave him some olive oil, and he does not know whether it was zakaah or a gift

Ruling on giving zakaah to a nursing infant who is not yet eating solid food