Write different types of select queries in sql server

Here i will give you many select querries with complete code. Before it here we are taking main database employee for select operations.
database:
         

1] select all fields from employee table.

2] select only employee email address .

3] select employee name and employee address.

4] select all employee details which are belong to Ahmedabad 

5] select all employee whose name is kisan and  belong to mehsana

6] select all employee whose name is kisan or belong to mehsana