Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because ants are attracted by the odour of this acid this corrosive acid is secreted by ants to drive away their enemies this acid was first obtained by the distillation of ants this acid, in ancient times, was used to eliminate ant-hills ants are attracted by the odour of this acid this corrosive acid is secreted by ants to drive away their enemies this acid was first obtained by the distillation of ants this acid, in ancient times, was used to eliminate ant-hills ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Coal Natural Gas Firewood Petroleum Coal Natural Gas Firewood Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Square planar Face centered cubic Octahedral Body centered cubic Square planar Face centered cubic Octahedral Body centered cubic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Nucleus in atoms Atoms in all matter Electrons in atoms Neutrons in atoms Nucleus in atoms Atoms in all matter Electrons in atoms Neutrons in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Gold Mercury Silver Copper Gold Mercury Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Sodium oxalate Calcium acetate Sodium chloride Calcium oxalate Sodium oxalate Calcium acetate Sodium chloride Calcium oxalate ANSWER DOWNLOAD EXAMIANS APP