Chemistry Which one is not a pure form of carbon Graphite Gold Diamond Coal Graphite Gold Diamond Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon dioxide Carbon monoxide Water vapour Ozone Carbon dioxide Carbon monoxide Water vapour ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 2800°C 3200°C 3600°C 4000°C 2800°C 3200°C 3600°C 4000°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Iron Copper Tin Aluminium Iron Copper Tin Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is haematite magnetite bauxite monazite haematite magnetite bauxite monazite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Cancer Pneumoconiosis Silicosis Asthma Cancer Pneumoconiosis Silicosis Asthma ANSWER DOWNLOAD EXAMIANS APP