Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Nitrates of aluminium Double nitrate Hydrated chlorides Double sulphates Nitrates of aluminium Double nitrate Hydrated chlorides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Na Ag Fe Hg Na Ag Fe Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants A B C3 2 1 A B C 2 3 1 A B C 3 1 2 A B C 2 1 3 A B C3 2 1 A B C 2 3 1 A B C 3 1 2 A B C 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Nitrous oxide Arsine Ammonia Sulphur dioxide Nitrous oxide Arsine Ammonia Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Sodium iodide Iodine Potassium iodide Potassium iodate Sodium iodide Iodine Potassium iodide Potassium iodate ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, It will change into diamond No residue will be left It will not burn Residue will be left It will change into diamond No residue will be left It will not burn Residue will be left ANSWER DOWNLOAD EXAMIANS APP
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