Chemistry Which is the heaviest metal among the following? Silver Copper Iron Gold Silver Copper Iron Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Phosphorus-31 Radium Tritium Carbon-14 Phosphorus-31 Radium Tritium Carbon-14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Mg K Ca Na Mg K Ca Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is absorbed by plants It is the lightest gas It is highly inflammable It immediately combines with oxygen to form water It is absorbed by plants It is the lightest gas It is highly inflammable It immediately combines with oxygen to form water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry "Paramagnetism" is the property of Paired electrons Completely vacant electronic subshells Completely filled electronics subshells Unpaired electrons Paired electrons Completely vacant electronic subshells Completely filled electronics subshells Unpaired electrons ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS