Chemistry The lustre of the metals is because of High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Carbon dioxide Methane Carbon monoxide Sulphur dioxide Carbon dioxide Methane Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Decron Bakelite Melamine Nylon Decron Bakelite Melamine Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Organic compounds are Covalent compounds Ionic compounds Co-ordination compounds Interstitial compounds Covalent compounds Ionic compounds Co-ordination compounds Interstitial compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Ammonium sulphate Ammonium nitrate Calcium citrate Urea Ammonium sulphate Ammonium nitrate Calcium citrate Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Vinyl chloride Propane Acetylene Styrene Vinyl chloride Propane Acetylene Styrene ANSWER DOWNLOAD EXAMIANS APP