plasmas the fourth state of matter

A solid is that form of matter that possesses rigidity and hence possesses a definite shape and a definite volum..

Most of the non-metals exist in two of the three states of matter at room temperature: gases (oxygen) and solids (carbon). These have no metallic lustre, and do not reflect ligh..

A gas neither possesses a definite volume nor a definite shape. The substances in a gas have particles that are separated by great distance, having virtually no force of attraction between them. A gas occupies the whole of the volume of the vessel in which it is placed. It also takes up the shape ..

Ammonia is present in atmospheric air and in natural water in trace amounts. However in sewage water, it is present in greater proportion. It is also produced by decay of plant and animal tissues. Ammonia is released into the atmosphere by the decomposition of organic wastes of humans. Remem..

Of the three states of matter, the gaseous state is the simplest and shows greatest uniformity in behaviour. Gases show almost similar behaviour irrespective of their chemical nature. This state is characterized by: Gases maintain neither the volume nor the s..

Introduction - A solid is that form of matter that possesses rigidity and hence possesses a definite shape and a definite volume. There are two types of solid..

Water is the only substance that can exist simultaneously in all the three states of matter, i.e., solid, liquid and gaseous on this earth,. A simple experiment shows the existence of all these three states together. Take a glass half packed with ice cubes and cover it..

Any system where there is a constant exchange of matter and energy from the surrounding environment is called as open system. All living organisms represent open systems. Any state of a system where the rate of input of energy and matter is equal to the rate of..

Question: The state of matter with only one free surface is _______. 1. liquid 2. gas 3. solid 4. plasma Answer: ..