Chemistry-Class-9

62 posts

Last Updated: 25 February 2024

Atomic mass is the total mass of all subatomic particles of an atom, including protons, neutrons, and electrons. However, the mass of electr...read more

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School Chemistry

Last Updated: 02 April 2024

Atoms are tiny particles that comprise all the things in the known universe. Atoms of an element are responsible for all chemical reactions ...read more

Rutherford's Alpha Scattering Experiment

Last Updated: 06 March 2024

Rutherford's Alpha Scattering Experiment is the fundamental experiment done by Earnest Rutherford's Alpha Scattering Experiment that gives t...read more

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Valency

Last Updated: 02 April 2024

Valency of an element is a measure of an atom's ability to combine with other atoms to create molecules or chemical compounds. The character...read more

Difference Between Compound and Mixture

Last Updated: 28 September 2022

The matter is divided into three main types Compounds, Mixtures, and Elements. Pure substances are compounds. Impure substances are Mixtures...read more

Rutherford Atomic Model

Last Updated: 25 February 2024

Rutherford Atomic Model was proposed by Ernest Rutherford in 1911. It is also called the Planetary Model of the Atom. It introduced the conc...read more

Last Updated: 01 April 2024

A mixture is a compound that is made up of two more chemical compounds or substances that do not combine together chemically. It is the phys...read more

Last Updated: 23 November 2022

Mole concept is the method used to express the amount of substance. This has been experimentally proving that one gram atom of any element, ...read more

Saturated and Unsaturated Solutions

Last Updated: 19 December 2023

Saturated and Unsaturated Solutions are the types of solutions based on the concentration of solute in the solvent for any given solution. A...read more

Last Updated: 05 June 2023

Crystallization is a technique for purification of the substances. It is a technique that separates a solid from its solution. The process i...read more

Difference Between Homogeneous and Heterogeneous Mixture

Last Updated: 04 April 2024

Mixture is a combination of two or more substances that are not chemically bonded together. These substances can be elements, compounds, or ...read more

Last Updated: 01 April 2024

Evaporation occurs when a liquid turns into a gas. Have you ever noticed that when a glass is left on the counter, the water begins to evapo...read more

Filtration: Definition, Process, Diagram and Examples

Last Updated: 04 April 2024

Filtration is a method to separate the components of a mixture where the solvent part is liquid and the solute is an insoluble solid. Let's ...read more

Separation of Mixtures

Last Updated: 13 June 2023

Separation of Mixtures or method of separation is the process of separating or extracting different components of a mixture using some physi...read more

Last Updated: 17 August 2023

Chromatography is the separation of mixtures by distribution between two or more immiscible phases. In chemical laboratories, where it is us...read more

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