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