Sand is a granular material composed of fine mineral particles. Sand comes from different sources, locations, and environments. Sand is formed when rocks break down from weathering and erosion over ...

While we refer to substances by their common names in everyday life, all these substances have a chemical name and a chemical formula that scientists and researchers use. The system of chemical naming ...

The second phase of the Special Intensive Revision (SIR) of electoral rolls has begun in West Bengal. At present, electors whose names have no mapping with the 2002 electoral roll are being called for ...