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