What are the water quality characteristics?

Physical properties of water quality include temperature and turbidity. Chemical characteristics involve parameters such as pH and dissolved oxygen. Biological indicators of water quality include algae and phytoplankton.

What are the properties of pure water class 7?

Properties of water:

• Water is a colourless, tasteless, and transparent liquid.
• Boiling point of pure water is 100°C at 760 mm of Hg pressure.
• Pure water freezes at 0°C at 760 mm of Hg pressure.
• The state of water changes on heating or cooling.
• Water is neither acidic nor basic.

What is a characteristic of a pure substance?

Characteristics and Properties Of Pure Substances Pure substances are mostly homogeneous in nature containing only one type of atoms or molecules. These substances mainly have a constant or uniform composition throughout. The substances have fixed boiling and melting points.

What are the 6 properties of water?

The properties of water include cohesion, adhesion, capillary action, surface tension, the ability to dissolve many substances, and high specific heat. The tendency for water molecules to form weak bonds and stick to each other is called cohesion.

What are 5 physical characteristics of water?

Physical parameters define those characteristics of water that respond to the senses of sight, touch, taste or smell. Suspended solids, turbidity, colour, taste and odour and temperature fall into this category.

What are the three characteristics of pure substance?

Characteristics of Pure Substance

• Pure substances have a perfectly homogeneous nature.
• Pure substances are made up of only one type of atoms or molecules.
• Pure substances have a fixed composition.
• Pure substances have a fixed density, melting point, boiling point etc.

What are the four characteristics of pure substance?

What are the characteristics of pure solution? Pure materials have a particular set of characteristics, such as boiling point, melting point, density, etc. All of them are homogeneous, i.e., their distribution in the bulk is uniform. Pure substances are both elements and compounds.

What are six characteristics of water that make it so valuable for living organisms and their environment?

Discussion of the properties of water that make it essential to life as we know it: polarity, “universal” solvent, high heat capacity, high heat of vaporization, cohesion, adhesion and lower density when frozen.

What are some characteristics of pure water?

Nature: Pure water is a colorless,tasteless and odorless liquid. Distilled water is pure.

States: Pure water exists in all the three states as solid (ice),liquid (water) and gaseous (steam or water vapor).

Freezing point of water: If water contains impurities,it freezes at a temperature less than 0 0 C.

What are three unique properties of water?

There are 3 different forms of water, or H2O: solid (ice), liquid (water), and gas (steam). Because water seems so ubiquitous, many people are unaware of the unusual and unique properties of water, including: Boiling Point and Freezing Point. Surface Tension, Heat of Vaporization, and Vapor Pressure. Viscosity and Cohesion.

What is a property of pure water?

Pure water is a colorless and odorless liquid at room temperature. In addition to these two properties, water exists in all three states: solid, liquid and gaseous. It is a universal solvent and dissolves innumerable solutes.

Which of these is a property of pure water?

Answer Wiki. In its pure form, water is a colorless, odorless liquid that has a specific gravity, or density, of 1 gram per milliliter at 39.2 degrees Fahrenheit (4 degrees Celsius ). If water is not pure, several of its properties change, including its freezing point,boiling point and conductivity.