Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 50 88 138 314 50 88 138 314 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon Monoxide Carbon dioxide Methane Ozone gas Carbon Monoxide Carbon dioxide Methane Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Acetic acid Sulphuric acid Formic acid Carbonic acid Acetic acid Sulphuric acid Formic acid Carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Ionosphere Exosphere Troposphere Stratosphere Ionosphere Exosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Bauxite Iron Manganese Copper Bauxite Iron Manganese Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Tin Thallium Silicon Caesium Tin Thallium Silicon Caesium ANSWER DOWNLOAD EXAMIANS APP