Author Archives: Ranga.nr

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Examples of a Pure Substance in Our Daily Life

Examples of a Pure Substance

A pure substance is one which is made up of a same type of molecule.And in real life we come across very few examples of pure substances. A substance can be said to be pure if it has a homogeneous appearance and an uniform color throughout its matter. These materials are very hard to find […]

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Atomic structure | Models and Experiments in Detail

atomic structure

At the initial point of the 19th century, a British chemist John Dalton proposed the atomic theory. This could successfully explain the law of conservation of mass and constant proportion.  However since he considered atoms to be indivisible, his theories couldn’t be used to explain many chemical phenomena. By the end of the 19th and […]

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Human bone structure and Histology with Classification

Bone is a specialized and constantly changing connective tissue, having general characteristics of connective tissues like Composed of cells Have dense intercellular substance impregnated with calcium phosphates, carbonates etc. Have well-developed circulation. Classification of Bones: Bones are classified on the basis of various characteristics. They are A. According to position: Axial bones: They form the […]

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Sodium Hydrogen Carbonate | Synthesis, Reactions and Uses

sodium hydrogen carbonate chemical structure

Sodium hydrogen carbonate is also known as sodium bicarbonate. It is a chemical compound with the chemical formula NaHCO3. It is a commonly used basic salt and is also known as baking soda. It is a basic salt composed of a sodium cation (Na+) and a bicarbonate anion (HCO3−). Sodium hydrogen carbonate is a white […]

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Velocity and Acceleration |Formula,Units and Graph derivation

Velocity and Acceleration

Velocity is a rate of change in displacement with respect to time. As displacement is a vector quantity having both magnitude and direction, velocity is also a vector quantity. Acceleration is a rate of change in velocity with respect to time. An object undergoes acceleration whenever an object’s speed increases or decreases (usually referred to […]

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Structure of kidney, Nephron and its Functions

Structure of kidney

The kidney is the primary organ of excretion found in the upper chordates. It is an abdominal organ, situated just anterior to the posterior abdominal wall. Being two in number, they are located one on each side of the vertebral column. It is a retroperitoneal organ, i.e., it has no peritoneal covering, peritoneum gets reflected […]

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5 Types of Bonds in Chemistry with Diagrams

ionic bond

There are different chemical species, like atoms, ions, and molecules. A chemical bond is a lasting attraction between two chemical species. Depending on the specific type of bond and the nature of the particular species, the bond may be strong or weak. Chemical species usually bond to fill their electron orbitals and shells, due to […]

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Copper Properties, Uses and Reactions

copper Properties

Copper is a transition element and it is present in the d-block of the periodic table. Copper belongs to the 4th period so it has 4s orbital and 3d orbital. It is present in the 11th group of the table along with gold and silver. The atomic number of copper is 29 and the mass […]

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