Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Ultraviolet Radio-waves Visible Infrared Ultraviolet Radio-waves Visible ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Titanium Aluminium Copper Iron Titanium Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Bituminous Anthracite Lignite Peat Bituminous Anthracite Lignite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Graphite Iron Diamond Coal Graphite Iron Diamond Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Bauxite Calcite Haematite Cryolite Bauxite Calcite Haematite Cryolite ANSWER DOWNLOAD EXAMIANS APP