Noble Gases-Uses and noble gases properties|chemistry funda


Noble Gases: Helium(He), Neon(Ne),Argon(Ar),Krypton (kr), Xenon (Xe) and Radon (Rn) are Noble Gases. They also called as Rare gases. They are members of group VIII A or zero group.The noble gases are present in atmosphere in small amount…

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Borax, Properties and Borax Uses|Chemistry funda


Borax: Borax is the sodium salt of tetraboric acid. It is also called Tincal. Its chemical name is sodium tetraborate decaHydrate. It is found in Dry lake area of tibet and california. The common name of borax is…

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Preparation of Sodium by Down’s cell and Nelson cell|chemistry funda


Preparation of Sodium: We know that sodium (Preparation of sodium)is a chemical element and have symbol NA and atomic Number 11. Its belong to group Number 1 because it has a single electron in outermost shell. It can…

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Refractive index and Measurement of refractive index|chemistry funda


Refractive index: Refractive index (n) of a transparent substance is defined as the ratio of the velocity of light in vacuum to velocity of light in the given medium. OR It is defined as the measure of the…

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What is Sampling in research and sampling methods in research?


SAMPLING:  Sampling method is the act , process , or technique of selecting a suitable sample ,or a representative Part of population for the purpose of determining Parameter or characteristics of the whole population. Sample-ing is most important…

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Chromatography and classification of chromatographic methods?


Chromatography: Chromatography is a analytical technique that is widely used for separation, Isolation and identification compounds. Such as organic substance like amino acids, Sugar, vitamins and plants pigments etc. This technique was introduce by M. Tswett. M. Twett…

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What is the principle of solvent extraction and factors affecting on it?


Solvent Extraction: introduction: The separation technique in which a solution (usually aqueous) is brought in contact with a second solvent (usually organic) immiscible with the first in order to bring about a transfer of the solute into the…

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What is spectroscopy,importance and types of spectroscopy

what is spectroscopy and its spectroscopy-representation

Spectroscopy: Spectroscopy involves the interaction of electromagnetic radiation with matter. OR The branch of chemistry which concern with the investigation and measurement of spectra produced.When matter interacts with or emits electromagnetic radiation. Radiation: Here, Radiation is defined broadly…

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What is conductometry and application of conductometry


Conductometry: The measurement of the electrical conductivity of a solution is known as the conductometry. Conductance The current flow through the conductor is called conductance.In others words it is defined as the reciprocal of the resistance. The unit…

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What is Periodic table laws and features of periodic table:

Periodic table for electronegativity

Definition of periodic table: The representation of chemical elements by atomic number,electronic configuration and chemical properties is called periodic table Dobereiner” Triads  A German chemist dobereiner observed relationship between atomic masses of several group of three elements called…

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