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