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