Acids react with active metals to produce hydrogen
E.g. of acids: HNO3 nitric acid, HCl hydrochloric acid, CH3COOH acetic acid etc.
Physical and chemical Properties of acids, bases and salts. (5-10 properties for each)
What is the difference between the chemical composition of soaps and detergents? State in brief the action of soaps in removing an oily spot from a shirt. Why soaps are not considered suitable for washing where water is hard?
OR
List in tabular form three physical and two chemical properties on the basis of which ethanol and ethanoic acid can be differentiated.
Different allotropic forms of an element have different chemical properties but same physical properties.