This crossword No. 11576 clues and answers were published on Thu 14 Jun 2007 and the puzzle can be visited by following The Guardian Quick Crossword No. 11576 link.
All Across Clues and Answers:
5-across – US state, capital Madision : WISCONSIN
8-across – See 4 : KONG
9-across – Variety of tea flavoured with bergamot : EARLGREY
10-across – Apelike : SIMIAN
11-across – Require : DEMAND
13-across – Movie house : CINEMA
15-across – Strong alkali derived from burnt wood : POTASH
16-across – Casual and unceremonious : INFORMAL
18-across – Joy : GLEE
19-across – US state, capital St Paul : MINNESOTA
All Down Clues and Answers:
1-down – Change of appearance for concealment : DISGUISE
2-down – Flat surface onto which images are projected : SCREEN
3-down – Innate : INBRED
4-down – Eponymous giant ape in movie : KING
6-down – US state, capital Baton Rouge : LOUISIANA
7-down – US state, capital Nashville : TENNESSEE
12-down – Make less severe : MITIGATE
14-down – Nut used in marzipan : ALMOND
15-down – Language – buff : POLISH
17-down – Leave out : OMIT
This crossword has in total 20 where 10 are across and 10 are down.