Chemistry

The process of heating a condensed ore at temperature below the melting point in absence of air is called calcination.

During metal extraction from ores, some other materials besides the ore are mixed with the ores which are known as metal impurities. 

A diluted solution of calcium hydroxide is called lime water. The formula of lime water is Ca(OH)2

When different minerals are mixed together, they form hard particle. The matter produced from these particles mixed together is called rock.

The minerals which are obtained in liquid state are called liquid minerals.

22 carat gold means alloy of 91.67% gold and 8.33% copper and other metals.

Minerals are naturally occurring inorganic substance with definite and predictable chemical composition and physical progenies.

The amount of heat produced by complete burning of 1 mole of substance in oxygen is called heat of combustion of that substance.  Fire is a chemical reaction in which energy in the form of heat is produced. When forest fuels burn, there is a chemical combination of the oxygen in the air with woody … Read more