Questions

Cottage industry is a manufacturing activity of people operated at home. The handcrafts which were sold in the society are examples of cottage industy products. It is a small scale industry in which the labor force is mostly family members or individuals.

Localized area of pus formation in the lungs is called Pulmonary abscess.

On the basis of magnetic properties, substances are classified into three groups namely diamagnetic, paramagnetic and ferromagnetic.

As solids diffuse and reorder very slowly under ambient conditions, the net, directionally dependent (anisotropic) magnetic moment can persist. Conversely, liquids and gases freely tumble and reorder: water rearranges every few pico seconds (10^12 times per second).

Hence liquids and gases can never show ferromagnetic properties.