Chemistry The oil used in the froth floatation process is olive oil coconut oil kerosene oil pine oil olive oil coconut oil kerosene oil pine oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O CaO Al2O3 CaSO4, 2H2O Na2O + K2O CaO Al2O3 CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 0.001 mg/m3 5.0 mg/m3 1.0 mg/m3 0.01 mg/m3 0.001 mg/m3 5.0 mg/m3 1.0 mg/m3 0.01 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Titanium Copper Iron Aluminium Titanium Copper Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Antimony Chromium Zinc Lead Antimony Chromium Zinc Lead ANSWER DOWNLOAD EXAMIANS APP