organic matter composition

Intensive investigation by scientists over the years led to the development of a mental model (the minuscule particles couldn't be actually seen at that time) known as 'dynamic particle model..

Matter In Our Surroundings - Composition of Matter..

Composition of Matter..

Is Matter Around us Pure - Impure Substances - Mixtures Impure substances are commonly called mixtures. A mixture is a material containing two or more elements or compounds that are in close contact and are mixed in any proportion. The constituents of mixtures exhibit their individual pro..

All around us are substances that are made of matter. Matter has mass and occupies some space. Different kinds of substances are made up of different matter. Matter can be thus classified in many ways. Two basic classifications of matter are based o..

Introduction - The classification of matter into three different states, namely solid, liquid and gaseous state is termed as the physical classification of matter. Most properties of solid, liquid and gases that can be observed with our sense organs are called as 'macr..

Pure Substances The distinctive features of pure substances are: A pure substance is composed of the same kind of particles e.g. hydrogen, oxygen, water, sodium chloride, etc. A pure substance is homogeneous, irrespective of its origin or method of preparation. A pure substance has defini..

Organism and Environment - Each and every living organism has its specific surrounding medium of environment with which it continuously interacts and remains fully adapted. The environment is the sum total of physical and biotic conditions influencing the responses of the o..

Coal is mainly composed of carbon. Coal, is classified into different varieties depending upon its carbon content. Common varieties of coal are, Variety of coal: Peat Lignite Bituminous AnthraciteCarbon content:10-15% 40% 60-70% 80-90% Coal also contains arenes o..

Composition - The urine is a pale yellow coloured fluid. The yellow colour is due to the presence of urochrome pigment formed from the haemoglobin of dead RBC's in the liver cells. It is acidic in nature and has a pH of 6.0. It has a faint anamalic odour due to the presence of urinod. It ..