Chemistry The element used for making solar cells is Calcium Silicon Sodium Magnesium Calcium Silicon Sodium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium Calcium Manganese None of these Magnesium Calcium Manganese None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Magnesium carbonate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Inorganic substances Oil and fatty substances Gritty substances Suspended solids Inorganic substances Oil and fatty substances Gritty substances Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Tungsten Platinum Gold Iron Tungsten Platinum Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Oxidation Hydrogenation Hydrolysis Ozonolysis Oxidation Hydrogenation Hydrolysis Ozonolysis ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS