ll answers are sweets
4/ Taken on the first successful expedition to the summit of Everest (6,4,4)
10/ A halt in play or a punishment (4 3 )
13/ Supemova used to have a gemstone in its name (9)
23/ Launched, with a slightly different name, to mark the end of WW1 (5 6)
26/ Dairy product with a whiskey chaser (12)