Class 11

Matter refers to anything that possesses mass and also has weight. It can be distinctly divided into two groups: pure substances and mixtures. Pure substances are also further broken down into elements and compounds. Mixtures generally represent a physically combined structure which can be separated into their original constituents. A chemical substance is made up […]

Radiation is a sort of energy that comes from somewhere and travels through matter or space. Light and heat are both examples of radiation. Because it has enough energy to take an electron from an atom and change it into an ion. Properties of radiation: Radiation can be absorbed by substances along its path. For

Liquids belong to one of the three phases of matter. The other two are solids and gases. The nature of the liquids helps us understand their function, composition and structure. It is essential to study the properties of liquids, as they help you learn about their chemical makeup and how it affects the liquid’s behaviour

Gases are defined as substances generally found in the gaseous state. They are largely compressible and feature intermolecular distances. As compared to solids and liquids, the gas particles are at larger distances from one another. Note the gas substance does not have any fixed shape, size, or volume. However, they occupy the space they enter.

There are various mixtures in Chemistry made by combining different substances having different or similar mediums. The emulsion is an important type of colloid. These are used for various purposes in daily life. A lot of emulsions used are man-made and are created to perform specific functions. Furthermore, emulsions are also used in manufacturing processes

A colloid is another name for a colloidal solution. It is a heterogeneous solution, but due to the small particle size, it may appear to be a real solution. To distinguish a colloid from a genuine solution, the term ‘sol’, as in colloidal sol, is used instead of the term ‘solution’. Their particles are also

Introduction Colloids can be formed by  various techniques involving physical, chemical as well as by using some dispersion methods. These techniques rely on different principles. Let us explore more about these techniques for Preparation of Colloids. Ways of preparation of colloids  Preparation of Lyophilic Sols: For preparation of the lyophilic sol, the dispersed phase is

The activity of a substance changing from one state to another is called phase transition. Any element or substance can transition from one stage to the next at a specific pressure and temperature combination. For example, when water boils, it changes from a liquid to a gas. In all of these phases, the empirical formula

Each gas in a mixture adds to the total pressure of the mixture. The partial pressure is responsible for this contribution. The partial pressure is the pressure that a gas would have if it were in its own volume and temperature. While pressure is usually denoted by the letters P or p, partial pressure is

When naming chemical compounds, the trivial system of nomenclature does not rely on any predefined laws. Instead, the names are based mostly on the organic compounds’ source or qualities.  For example, under the trivial nomenclature convention, methane was dubbed marsh gas since it was mostly found in marshy places. Formic acid is another example of