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Alkali metals are the chemical elements in group one of the periodic system. The alkali metals are so reactive that they are generally found in…

Alkali is a basic hydroxide or ionic salt which is soluble in water. In chemistry, an alkali is an aqueous (from water) solution with a pH…

In chemistry, alcohol is a general term that refers to many organic compounds used in industry and science as reagents, solvents, and fuels. They are…

An acid is a substance that can donate a hydrogen ion (H+) to another substance. More specifically, it is a measure of the number of…

“Deer stones” (also known as ‘reindeer stones’) are a series of over 1200 ancient standing stones scattered across Mongolia and Siberia, given their name because…

The indirect taxes are the levies made by Central and State governments on the expenditure, consumption, services, rights, and privileges yet not on the property…

Maghemite, [Fe2O3, γ-Fe2O3] is a member of the family of iron oxides. It is a ferric oxide with a similar cubic spinel crystal structure and…

For many years, the ‘sailing stones’ of Death Valley represented one of the most curious mysteries that scientists had never been able to solve…until recently,…

A ‘Geomagnetic reversal’ or a magnetic ‘flip’ of the Earth is when the orientation of the Earth’s magnetic field becomes reversed. It is a change…

“Cave of the Crystals” or “Giant Crystal Cave” (Spanish: Cueva de los Cristales) are the largest natural crystals known, and it has located hundreds of…

Indirect Tax An indirect tax is a tax imposed on one person but partly or wholly paid by another. It is a type of tax…

Direct taxes are based on income and wealth, if they are excessive may discourage savings and kill the incentive to work hard. It provides tangible…