Chemistry Burning pyrites ore gives out Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas Carbon dioxide gas Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas Carbon dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Zinc Sulphur Nickel Chromium Zinc Sulphur Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten sand Molten iron Molten alumina Molten calcium silicate Molten sand Molten iron Molten alumina Molten calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Sodium, lead Tin, lead Lead, zinc Copper, lead Sodium, lead Tin, lead Lead, zinc Copper, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Lead and tin Copper and tin Lead and antimony Copper and zinc Lead and tin Copper and tin Lead and antimony Copper and zinc ANSWER DOWNLOAD EXAMIANS APP