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