Chemistry Oxygen has (+) oxidation number only in C12O OF2 H2O (2) N2O C12O OF2 H2O (2) N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Rutherford Thomson Sommerfeld Hund Rutherford Thomson Sommerfeld Hund ANSWER DOWNLOAD EXAMIANS APP
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 among the following elements is found in maximum percentage in the human body ? Carbon Nitrozen Hydrogen Oxyzen Carbon Nitrozen Hydrogen Oxyzen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium sulphate Solder Aluminium powder None of these Aluminium sulphate Solder Aluminium powder None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is A catalyst in burning fossil fuel A reductant An antiknock compound An antioxidant A catalyst in burning fossil fuel A reductant An antiknock compound An antioxidant ANSWER DOWNLOAD EXAMIANS APP
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