Chemistry Burning pyrites ore gives out Carbon dioxide gas Nitrogen dioxide gas Nitric oxide gas Sulphur dioxide gas Carbon dioxide gas Nitrogen dioxide gas Nitric oxide gas Sulphur 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 sand Molten iron Molten calcium silicate Molten alumina Molten sand Molten iron Molten calcium silicate Molten alumina ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Copper, lead Tin, lead Lead, zinc Sodium, lead Copper, lead Tin, lead Lead, zinc Sodium, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Lead and tin Copper and tin Copper and zinc Lead and antimony Lead and tin Copper and tin Copper and zinc Lead and antimony ANSWER DOWNLOAD EXAMIANS APP
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