Chemistry Which one is the lightest element in the periodic table Oxygen Helium Hydrogen Carbon Oxygen Helium Hydrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Silicon Lead Carbon Tin Silicon Lead Carbon Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 18 17 19 16 18 17 19 16 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 127 118 112 115 127 118 112 115 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by Physical methods They can not be separated Both A and B Chemical methods Physical methods They can not be separated Both A and B Chemical methods ANSWER DOWNLOAD EXAMIANS APP
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