Question

Select the elements and compounds from the following list.​ Iron, plaster of paris, chalk, common salt, copper, aluminum, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.​

Answer 1

Elements: ​ Iron (Fe), Copper (Cu), Aluminium (Al), Carbon (C), Uranium (U), Silver (Ag)​ ​

Compounds:​ Plaster of Paris $(CaS{O}_4.\frac{1}{2}{H}_{2}O)$, Chalk ($CaC{O}_3$), Common salt (NaCl), Calcium oxide (CaO), Cane sugar ($C_{12}{H}_{22}{O}_{11}$), Silica ($Si{O}_2$), Sodium sulphate ($N{a}_{2}S{O}_4$), Potassium carbonate ($K_{2}C{O}_3$), Carbon dioxide ($C{O}_2$).​ ​