What is the general definition of water?

water, a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states. It is one of the most plentiful and essential of compounds. A tasteless and odourless liquid at room temperature, it has the important ability to dissolve many other substances.

Why is water important definition?

Water helps improve the circulation of oxygen throughout the body. It also plays a crucial role in the digestion of food. Water is a very important component of saliva, which helps break down food. The excretion of waste in the human body requires water.

What is water called in science?

The scientific name for water is H2O. It is called H2O because it has two atoms of hydrogen (H) and one atom of oxygen (O). There are millions of these molecules in one drop of water. The form water takes depends on the movement of the water molecules.

Who discovered water?

Who discovered the water? It was the chemist Henry Cavendish (1731 – 1810), who discovered the composition of water, when he experimented with hydrogen and oxygen and mixed these elements together to create an explosion (oxyhydrogen effect).

What is water with example?

(1) (biochemistry) A chemical substance, with chemical formula H2O, that is a clear, colorless, odorless, and tasteless liquid that may also occur in various forms such as gas (water vapor) and solid (ice) (2) An aqueous solution of a substance, for example, ammonia water, wastewater.

What are the types of water?

  • Tap water. Share on Pinterest.
  • Mineral water.
  • Spring or glacier water.
  • Sparkling water.
  • Distilled water.
  • Purified water.
  • Flavored or infused water.
  • Alkaline water.

Why is it called water?

The word “water” comes from the Old English word wæter or from the Proto-Germanic watar or German Wasser. All of these words mean “water” or “wet.”

What is the real name of water?

The chemical name of water is hydrogen oxide. Component of water is hydrogen and oxygen.

How is water made?

Everything is made of atoms. An atom is the smallest particle of an element, like oxygen or hydrogen. Atoms join together to form molecules. A water molecule has three atoms: two hydrogen (H) atoms and one oxygen (O) atom.

What are the used of water?

  • Drinking and Household Needs.
  • Recreation.
  • Industry and Commerce.
  • Agriculture.
  • Thermoelectricity/Energy.

Why is water a liquid?

At room temperature (anywhere from zero degree centigrade to 100 degrees centigrade), water is found in a liquid state. This is because of the tiny, weak hydrogen bonds which, in their billions, hold water molecules together for small fractions of a second.

How old is the water?

But one prevailing theory says that water originated on our planet from ice specks floating in a cosmic cloud before our sun was set ablaze, more than 4.6 billion years ago.

Does water have color?

The water is in fact not colorless; even pure water is not colorless, but has a slight blue tint to it, best seen when looking through a long column of water. The blueness in water is not caused by the scattering of light, which is responsible for the sky being blue.

Is water a pure element?

It is composed of two different elements i.e. hydrogen and oxygen that bond chemically in a fixed proportion. Thus, pure water is considered a compound.

What is water class 11?

The molecule of water has covalent bonding between Hydrogen and Oxygen atoms. Two hydrogen atoms form a bond with a single atom of oxygen. Appearance: Water is colorless, odorless and tasteless liquid in its natural state. Boiling Point: As we know, water has a boiling point of 100 C.

What are water properties?

The main properties of water are its polarity, cohesion, adhesion, surface tension, high specific heat, and evaporative cooling. A water molecule is slightly charged on both ends.

What are three types of water?

  • Solid water – ice is frozen water. When water freezes, its molecules move farther apart, making ice less dense than water.
  • Liquid water is wet and fluid. This is the form of water with which we are most familiar.
  • Water as a gas – vapor is always present in the air around us.

What are the 4 main types of water?

  • Surface water.
  • Groundwater.
  • Wastewater.
  • Strom water.

Which water is the best?

Tap water is generally a better choice because it’s less expensive and doesn’t create single-use plastic waste. The pH level and mineral content varies between different types and sources of water, but these don’t drastically affect the overall healthfulness of the water.

What are the 2 types of water?

  • Groundwater. Groundwater refers to the water present beneath the earth’s surface filling the pores and cracks present in the rocks.
  • Surface water. Surface water is the water that is present on the Earth’s surface in rivers, streams, lakes, oceans, glaciers etc.

Where is water made?

A study suggests much of the water originated in rocks from which Earth is built. AUDIE CORNISH, HOST: Water is everywhere on Earth – the clouds, the rain, the oceans and rivers, even our own bodies. Where all that water originally came from is a bit of a mystery.

What is the nature of water?

The water molecule has hydrogen atoms so it can act as an acid in a reaction. The oxygen atom in the water molecule has two lone pairs which could accept H+ therefore, the water molecule could act as a base in a reaction. Hence its nature is amphoteric.

Why is water a chemical?

For example, water (H2O) is a chemical. It’s a pure chemical because it is homogeneous – pure water is the same throughout its structure. It is made up of the same molecules (H2O), each having the same combination and structure of atoms – the same ratio of hydrogen to oxygen, bonded in the same way.

Is water an acid?

Pure water is neither acidic or basic; it is neutral.

What are water sources?

Source water refers to bodies of water (such as rivers, streams, lakes, reservoirs, springs, and ground water) that provide water to public drinking-water supplies and private wells. Water sources can include: Surface water (for example, a lake, river, or reservoir)

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