2: Going after the final piece of puzzle for a very long time (3)
3: Ice trails guide down to earth (9)
4: Test limits of sexologist in assignation (5)
5: Evita, for example, making false claim about American (7)
6: Make money and set out to be serious (7)
9: Biting piece of chocolate with dry exterior (5)
11: Consumed, beginning at the end (3)