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 Zinc Sulphur Nickel Chromium Zinc Sulphur Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten calcium silicate Molten sand Molten iron Molten alumina Molten calcium silicate Molten sand Molten iron Molten alumina ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Lead, zinc Copper, lead Tin, lead Sodium, lead Lead, zinc Copper, lead Tin, lead Sodium, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Copper and zinc Copper and tin Lead and antimony Lead and tin Copper and zinc Copper and tin Lead and antimony Lead and tin ANSWER DOWNLOAD EXAMIANS APP