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