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