Why does an aqueous solution of an acid conduct electricity?
Why does dry $HCl$ gas not change the colour of the dry litmus paper ?
Write an equation to show the reaction between Plaster of Paris and water.
Give two important uses of washing soda and baking soda.
Write word equations and then balanced equations for the reaction taking place when -
$(a)$ dilute sulphuric acid reacts with zinc granules.
$(b)$ dilute hydrochloric acid reacts with magnesium ribbon.