Chemistry The pollutant responsible for ozone holes is ________ CO2 CFC CO SO2 CO2 CFC CO SO2 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? Copper Titanium Iron Aluminium Copper Titanium Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called magnetic separation leaching levigation liquation magnetic separation leaching levigation liquation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Petroleum Coal tar Plant gums Wool wax Petroleum Coal tar Plant gums Wool wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Metallic polysulphides Polyurethane Teflon Polystyrene Metallic polysulphides Polyurethane Teflon Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Gun powder Glass Paint Cement Gun powder Glass Paint Cement ANSWER DOWNLOAD EXAMIANS APP