Chemistry The most important ore of lead is Magnetite Pyrolusite Siderite Galena Magnetite Pyrolusite Siderite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Corrosion Sublimation Reduction Galvanisation Corrosion Sublimation Reduction Galvanisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Sulphate Calcium Silicate Calcium Sulphate Sodium Silicate Sodium Sulphate Calcium Silicate Calcium Sulphate Sodium Silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene ethane acetylene carbon dioxide ethylene ethane acetylene carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a natural Mixture Solution Suspension Emulsion Mixture Solution Suspension Emulsion ANSWER DOWNLOAD EXAMIANS APP
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