This crossword No. 12116 clues and answers were published on Tue 10 Mar 2009 and the puzzle can be visited by following The Guardian Quick Crossword No. 12116 link.
All Across Clues and Answers:
1-across – Luck — opportunity : CHANCE
4-across – Expressionless : BLANK
7-across – Fastener used on clothes etc : BUTTON
8-across – One who serves at table : WAITER
9-across – Having an acidic taste : SOUR
10-across – Arouse curiosity : INTEREST
12-across – Intersection with yellow painted cross-hatching : BOXJUNCTION
17-across – Having minimal partitions between areas : OPENPLAN
19-across – Large sailing vessel : SHIP
20-across – Sedating drug : OPIATE
21-across – Member of the Society of Friends : QUAKER
22-across – Fussy, old-fashioned person : FOGEY
23-across – Various tunes combined in one piece : MEDLEY
All Down Clues and Answers:
1-down – Unit of electrical charge : COULOMB
2-down – Deadly disease of sheep or cattle that can affect humans : ANTHRAX
3-down – Occurring again and again : CONTINUAL
4-down – Strong fire : BLAZE
5-down – Design style of the 1920s and 1930s : ARTDECO
6-down – Martial art : KARATE
11-down – Method for performing skilfully : TECHNIQUE
13-down – Aperture : OPENING
14-down – Put into position, ready for use : INSTALL
15-down – Ingenuousness : NAIVETY
16-down – Fall asleep : NODOFF
18-down – Short and to the point : PITHY
This crossword has in total 25 where 13 are across and 12 are down.