Chemistry Ultra purification of a metal is done by : Leaching Slugging Zone melting Smelting Leaching Slugging Zone melting Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten calcium silicate Molten sand Molten iron Molten alumina Molten calcium silicate Molten sand Molten iron Molten alumina ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Paints Domestic sewage Acid Plants Wood burning Paints Domestic sewage Acid Plants Wood burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Ammonium sulphate Calcium citrate Urea Ammonium nitrate Ammonium sulphate Calcium citrate Urea Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron acceptor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron donor An electron acceptor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron donor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS