Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Benzoic acid Oxalic acid Cinnamic acid Phthalic acid Benzoic acid Oxalic acid Cinnamic acid Phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Calamine Zincblende Sphalerite Zincite Calamine Zincblende Sphalerite Zincite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Fluorine Chlorine Radium Francium Fluorine Chlorine Radium Francium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Acetylene Propylene Ethylene Aniline Acetylene Propylene Ethylene Aniline ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this corrosive acid is secreted by ants to drive away their enemies ants are attracted by the odour of this acid this acid was first obtained by the distillation of ants this acid, in ancient times, was used to eliminate ant-hills this corrosive acid is secreted by ants to drive away their enemies ants are attracted by the odour of this acid 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 Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 3 –3 to + 4 –3 to + 6 –3 to + 5 –3 to + 3 –3 to + 4 –3 to + 6 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP