Chemistry Which of the following is used as non-stick coating for cooking utensils? Styrofoam Perspex Polystyrene Teflon Styrofoam Perspex Polystyrene Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Decomposition of manganese dioxide Fractional distillation of liquid air Electrolysis of water Decomposition of potassium permanganate Decomposition of manganese dioxide Fractional distillation of liquid air Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by White ants Cockroaches Mosquitoes Red ants White ants Cockroaches Mosquitoes Red ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Coke Graphite Diamond Lamp black Coke Graphite Diamond Lamp black ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Nitric oxide Peroxyacetyl nitrate Sulphur dioxide Carbon dioxide Nitric oxide Peroxyacetyl nitrate Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Alpha particles Beta particles Positron Proton Alpha particles Beta particles Positron Proton ANSWER DOWNLOAD EXAMIANS APP