Chemistry The metal that is usually extracted from sea water is Ca K Na Mg Ca K Na Mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium borate Calcium chloride Calcium phosphate Calcium sulphate Calcium borate Calcium chloride Calcium phosphate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.4 mole 0.25 mole 0.2 mole 0.5 mole 0.4 mole 0.25 mole 0.2 mole 0.5 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium nitrate Sodium chloride Sodium bicarbonate Sodium carbonate Sodium nitrate Sodium chloride Sodium bicarbonate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to NO2 N2O SO3 SO2 NO2 N2O SO3 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of None of these Methane Carbon dioxide Sulphur dioxide None of these Methane Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP