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