Chemistry German silver, an alloy, does not contain the metal Copper Nickel Zinc Silver Copper Nickel Zinc Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Platinum Iron Tungsten Gold Platinum Iron Tungsten Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Sulphuric acid Aqua ragia Hydrochloric acid Nitric acid Sulphuric acid Aqua ragia Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of SO2 Fungicide H2S H2SO4 SO2 Fungicide H2S H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Ethane Carbon di-oxide Carbon monoxide Methane Ethane Carbon di-oxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Nitrogen Oxygen Hydrogen Helium Nitrogen Oxygen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP