Chemistry The pollutant responsible for ozone holes is ________ CFC SO2 CO2 CO CFC SO2 CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Lead and tin Lead and antimony Copper and zinc Copper and tin Lead and tin Lead and antimony Copper and zinc Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Sulphur Alcohol Silicon Nitrogen Sulphur Alcohol Silicon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Protons Neutrons and protons Neutrons Electrons Protons Neutrons and protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Chlorine Sulphur Nitrogen Fluorine Chlorine Sulphur Nitrogen Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Sulphuric acid Phosphoric acid Hydrochloric acid Nitric acid Sulphuric acid Phosphoric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP