Brass is a homogeneous mixture (solid solution) of copper and zinc. Again each metal by itself is a pure substance. Only when they are mixed are they a homogeneous mixture (or solid solution). Heterogeneous Mixtures Heterogeneous mixtures are not uniformly mixed on an atomic or molecular level.
Penrose is one of the small villages in the Southern Highlands, located between Bundanoon and Marulan.
Waitrose is a chain of British supermarkets, which forms the food retail division of Britain's largest employee-owned retailer, the John Lewis Partnership. Its head office is located in Bracknell, Berkshire, England.As of February 2015, Waitrose has 322 branches across the United Kingdom, including 30 little Waitrose convenience stores, and a 5% share of the market, making it the sixth-largest grocery retailer in the UK.aitrose operates food halls in key stores of sister chain John Lewis. The stores are officially branded 'John Lewis Foodhall from Waitrose', and are run by Waitrose carrying many Waitrose own-brand product lines.