Chemistry Which one of the following minerals is found in pure form? Iron Manganese Bauxite Copper Iron Manganese Bauxite Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because It reacts with ordinary white bottles Brown bottles react with it Brown bottles stops the passage of light through it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles react with it Brown bottles stops the passage of light through it Brown bottles do not react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Cream and cake Plum and cake Plum and pudding Cream and pudding Cream and cake Plum and cake Plum and pudding Cream and pudding ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of lemon juice is expected to be Less than 7 Nothing can be predicted Equal to 7 More than 7 Less than 7 Nothing can be predicted Equal to 7 More than 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 8 3 5 13 8 3 5 13 ANSWER DOWNLOAD EXAMIANS APP