Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Sodium iodide Iodine Potassium iodate Potassium iodide Sodium iodide Iodine Potassium iodate Potassium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of quartz is Calcium oxide Sodium silicate Sodium phosphate Calcium phosphate Calcium oxide Sodium silicate Sodium phosphate Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Arthritis Kidney damage Hair falling Eye disease Arthritis Kidney damage Hair falling Eye disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry White coal is Diamond Hydro-electricity Uranium None of these Diamond Hydro-electricity Uranium None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Silicon Caesium Tin Thallium Silicon Caesium Tin Thallium ANSWER DOWNLOAD EXAMIANS APP