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 acid, in ancient times, was used to eliminate ant-hills this acid was first obtained by the distillation of ants this corrosive acid is secreted by ants to drive away their enemies ants are attracted by the odour of this acid this acid, in ancient times, was used to eliminate ant-hills this acid was first obtained by the distillation of ants this corrosive acid is secreted by ants to drive away their enemies ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Starch Nylon Bakelite Polythene Starch Nylon Bakelite Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 0.5 gram of molecule 1 gram of molecule 5 gram of molecule 10 gram of molecule 0.5 gram of molecule 1 gram of molecule 5 gram of molecule 10 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver bromide Sodium chloride Silver iodide Silver chloride Silver bromide Sodium chloride Silver iodide Silver chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Copper and tin Lead and tin Lead and antimony Copper and zinc Copper and tin Lead and tin Lead and antimony Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
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