Notes and Study material for Exams
The Rate of a Chemical Reaction The rate of a chemical reaction can be defined as the amount of the reaction which occurs in unit time. The rate of a reaction is measured by choosing certain properties of the reaction which will indicate how far the reaction has gone, and whose magnitude can be observed … Read more
Metallurgy concentration, roasting, smelting Roasting It is a process wherein the Ore is heated either alone or with some other material in excess of air below the fusion point of the ore. Usually, this method is used for sulphide ores. In roasting, definite chemical changes take place to form oxide or chloride of the Metal. … Read more
The Rate of a Chemical Reaction The rate of a chemical reaction can be defined as the amount of the reaction which occurs in unit time. The rate of a reaction is measured by choosing certain properties of the reaction which will indicate how far the reaction has gone, and whose … Read more
Alligation It is the rule which enables us to find the ratio in which two or more ingredients at the given price must be mixed to produce a mixture of a specified price. Mean Price Mean price is the cost price of a unit quantity of the mixture Suppose a container contains x … Read more
Dhyana Mudra Dhyana Mudra is a hand gesture that is used in Hindu and Buddhist meditation. It is also known as the “meditation mudra” or the “concentration mudra.” The gesture is made by placing the hands in the lap, palms up, with the thumbs touching and the index fingers extended and touching each other. The … Read more