Water (H₂O):

1. A colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.
2. It is vital for all possible forms of life, even though it does not provides food, energy, and organic micronutrients.
3. It acts as a universal solvent.
4. It is denoted as H₂O with a molecular weight of 18 g/mole.

Uses of water in our daily life :

Domestic purposes:

1. Water is directly used in life for drinking, bathing, cooking, cleaning dishes, washing, and clothes.
2. Not only humans but also animals and plants need water to survive.

Agricultural Uses:

1. Plants need water to survive. Seeds are not able to germinate without water.
2. Water is required to grow crops.
3. We know that water acts as a universal solvent and helps plants in up taking dissolved nutrients from the soil and further transporting the nutrients to various parts of the plant.
4. Crop plants need water to make their food through the process of photosynthesis.

Industrial Use:

1. In industries, water is mainly used as a solvent to dissolve many substances and is also used for washing, cooling, and waste disposal.
2. Some industries use a large amount of water to produce commodities like paper, chemicals, food, etc.
3. It is one of the good transportation mediums for people and goods by boats and ships.
4. In the automobile sector, water is used in radiators of vehicles (cars, buses, trucks, etc...) to prevent their engine from heating.
5. Water provides a medium for recreational sports, such as swimming, boating, water skiing, and fun water rides.
6. In a hydroelectric power plant, water is used for generating electricity.

Environmental uses:

1. It acts as a carrier of the plant seeds to distant locations.
2. It regulates the climate of a place as well as it also helps in maintaining the body temperature of living organisms.