Inert gas Inert gas An inert gas/noble gas is a gas which does not undergo chemical reactions under a set of given conditions. The noble gases often do not react with many substances, and were historically referred to as the inert gases. Inert gases are used generally to avoid unwanted chemical reactions degrading a sample. These undesirable chemical reactions are often oxidation and hydrolysis reactions with the oxygen and moisture in air. The term "inert gas" is context-dependent because several of the noble gases can be made to react under certain conditions. Purified argon and nitrogen gases are most commonly used as
Phase-out of incandescent light bulbs been initiated by the Ministry of Energy where three CFLs will be sold at a subsidized price to the public. Qatar has banned incandescent light bulbs. South Korea has phased out incandescent light bulbs under 150 watts since 2014. The government has prohibited manufacture and import of all incandescent lights. All incandescent bulbs are going to be replaced by LED and CFL light bulbs. Taiwan banned incandescent bulbs in 2012. Tajikistan reportedly banned incandescent light bulbs in 2009 to save energy, though this was criticised as alternatives were expensive at the time. The UAE has banned incandescent light bulbs. Uzbekistan