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