Chemistry Which of the following is used as non-stick coating for cooking utensils? Polystyrene Styrofoam Teflon Perspex Polystyrene Styrofoam Teflon Perspex ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Square planar Face centered cubic Body centered cubic Octahedral Square planar Face centered cubic Body centered cubic Octahedral ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Fluorinated hydrocarbon Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Carbon dioxide Water vapour Ozone Carbon monoxide Carbon dioxide Water vapour Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Ammonia and Ozone Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Ammonia and Ozone Carbon dioxide and Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.27 0.25 0.18 0.305 0.27 0.25 0.18 0.305 ANSWER DOWNLOAD EXAMIANS APP