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