decompose numbers

Whole numbers - read, write, count Place value (whole numbers) Decimals, fractions, percents; compose/decompose numbers Unit and same denominator fractions Equivalent fractions Negative numbers Positive numbers Addition and subtra..

Cities and other urban agglomerations generate such a large quantity of wastes that, their safe disposal is a great challenge. Although many technologies have been developed to ensure their safe disposal, in capital deficit countries like India adopting such technologies is either partial or neglig..

Water bodies are being constantly polluted by dumping of sewage which includes organic matter and by the runoff from the agricultural fields that contains fertilisers. Pollutants like sewage, organic wastes and fertilisers contain good amount of inorganic nutrients like nitrates and phosphates. Th..

Balancing of Chemical Equations - If the number of atoms of an element on both sides of a chemical reaction is equal, then the equation is said to be balanced . Example: Potassium nitrate decomposes on heating to form Potassium nitrite and Oxygen. Now count the number ..

Aromatic compounds from coal - Coal is a complex mixture of hydrocarbons. It also contains some organic compounds containing nitrogen and sulphur in small amounts. It can be approximated to the formula (C 3 H 4 ) n . Coal is a hydrogen-deficient substance. It is assumed that the basic structure of ..

Characteristics of Biotic Community - A stable and self sufficient community has certain specific characteristics. a) Habitat Biotic community occupies particular area with specific physical environment, which acts as a limiting factor, regulating the population size of various species within the c..

Summary - The biotic and abiotic components form an interacting system called 'ecosystem'. Producers, consumers and decomposers are the various trophic levels, which are linked by their food relationship forming a 'food chain'. Several food chains are interrelated and interconnected to fo..

Summary - The energy associated with the moving charges is called current electricity. Electrolysis is the process of decomposition of an electrolyte as a result of passage of electricity to its molten state or aqueous solution. In an electro-chemical cells (voltaic cell) chemical energy is convert..

Summary - Matter is anything that occupies space and has mass. Element is a pure substance, which can neither be decomposed nor built from simpler substances by any physical or chemical means. It contains only one kind of atom. Broadly speaking, elements can be divided into metals, non-me..

Human settlements in the form of cluster of housing units have always been a source of pollution. Because, human beings generate large quantity of wastes during the course of their daily activities. Activities like washing, cleaning, bathing, food preparation, as well as sanitary activities (like e..