Chemistry The material used in solar cells contains Tin Thallium Caesium Silicon Tin Thallium Caesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Reduction process Oxidation process Hydration to form other hydrates Dehydration process Reduction process Oxidation process Hydration to form other hydrates Dehydration process ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of neutrons the number of nucleons the number of protons the number of protons and electrons the number of neutrons the number of nucleons the number of protons the number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon dioxide Oxides of sulphur Carbon monoxide Oxides of nitrogen Carbon dioxide Oxides of sulphur Carbon monoxide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicone is a polymer of Tetraalkyl silane Silane Dialkyl dichloro silane Silicon tetrachloride Tetraalkyl silane Silane Dialkyl dichloro silane Silicon tetrachloride ANSWER DOWNLOAD EXAMIANS APP