1. place side by side (9 letters)
JUXTAPOSE
2. candlemaking substance (8 letters)
PARAFFIN
3. poison nullifier (8 letters)
ANTIDOTE
4. travel by car (5 letters)
MOTOR
5. long ribbons of pasta (8 letters)
LINGUINI
6. record new sounds on (7 letters)
OVERDUB
7. eliminate (5 letters)
PURGE
(Submitted by vicki – thanks!)