Chemistry Sodium is produced by the electrolysis of Molten sodium chloride Molten sodium carbonate Aqueous brine solution Its cyanide complex Molten sodium chloride Molten sodium carbonate Aqueous brine solution Its cyanide complex ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 54 kelvin 97 Kelvin 82 Kelvin 77 kelvin 54 kelvin 97 Kelvin 82 Kelvin 77 kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Ammonium sulphate Urea Ammonium nitrate Superphosphate Ammonium sulphate Urea Ammonium nitrate Superphosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Sodium Thorium Uranium Potassium Sodium Thorium Uranium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 0.01 2 0.05 1 0.01 2 0.05 1 ANSWER DOWNLOAD EXAMIANS APP