1ac Soft ricotta- like Italian cheese originally from Lombardy, made by thickening creme frache with tartaric acid or lemon juice. (10) 10ac Malleable ductile metallic element often found alloyedwith iridium, used in dentistry, jewellery, jewellery and as a catalalyst. (8) 11ac In mathematics, a three-dimensional curve generated by a line encircircling a cyinder or cone at a constant angle. (5) 15ac Part ofa sentence other than the subject or predicate. (7)