Chemistry Burning pyrites ore gives out Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon 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 sand Molten calcium silicate Molten alumina Molten iron Molten sand Molten calcium silicate Molten alumina Molten iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Tin, lead Lead, zinc Copper, lead Sodium, lead Tin, lead Lead, zinc Copper, lead Sodium, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Lead and antimony Copper and tin Copper and zinc Lead and tin Lead and antimony Copper and tin Copper and zinc Lead and tin ANSWER DOWNLOAD EXAMIANS APP
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