Questions

Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH−.

Properties:

1. It is highly soluble in water, and readily absorbs moisture and carbon dioxide from the air.

2. NaOH is insoluble in ether and other non-polar solvents.

3. It is an odorless compound.

Uses:

Sodium hydroxide is used in many industries: in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents, and as a drain cleaner.

Economic growth is measured by the percentage of gross domestic product. GDP refers to the total value of goods and services produced in the country.

In biology, Homology is defined as any characteristic of biological organisms that is derived from a common ancestor. 

Hence, Homology is evidence of Common ancestry.

IC's (Integrated Circuits) also called as Chips or Microchips whose invention allowed computers to be smaller and smaller.

Demography is the scientific study of Birth and death, The well being and the Growth of population. In brief, it is the study of human populations based on their size, composition and distribution across space – and the process through which populations change.

Proxima Centauri is the nearest star to the Earth.