Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 314 88 50 138 314 88 50 138 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethylene ethyl alcohol None of these vinyl chloride ethylene ethyl alcohol None of these vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Bakelite Starch Nylon Polythene Bakelite Starch Nylon Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Magnesium Calcium Silicon Sodium Magnesium Calcium Silicon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ag Au Cu Ge Ag Au Cu Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 17 18 16 19 17 18 16 19 ANSWER DOWNLOAD EXAMIANS APP
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