Which one of the following types of medicines is used for treating indigestion ?
Why should curd and sour substances not be kept in brass and copper vessels ?
How is the concentration of hydronium ions $(H_3O^+)$ affected when a solution of an acid is diluted ?
Plaster of Paris should be stored in a moisture-proof container. Explain why ?
Write an equation to show the reaction between Plaster of Paris and water.