Properties of water equal to that of the hydrogen ion (), which gives a pH of 7 at 25 °C. Action of water on rock over long periods of time typically leads to weathering and water erosion, physical processes that convert solid rocks and minerals into soil and sediment, but under some conditions chemical reactions with water occur as well, resulting in metasomatism or mineral hydration, a type of chemical alteration of a rock which produces clay minerals. It also occurs when Portland cement hardens. Water ice can form clathrate compounds, known as clathrate hydrates, with a variety of small molecules that can
The Orissa (Alteration of Name) Act, 2011 The Orissa (Alteration of Name) Act, 2011 The Orissa (Alteration of Name) Act, 2011 is an Act of Odisha Legislative Assembly to alter the name of State of Orissa by substituting Orissa with Odisha. Due to decolonization during British rule, names of several states and cities have been changed. Of late, basing on the demands of the civil society the government of Odisha decided to revert the names to its original ones. The Constitution of India and several other legal documents were drafted with the changed names for which it was necessary for a process of legal enactment. The State