Basic Concepts of Chemistry
Basic Concepts of Chemistry..
Basic Concepts of Chemistry..Chemistry of acid rain
The formed sulphuric acid and nitric acid remain as vapour at high temperatures. These begin to condense as the temperature falls and mix with rain or snow, on the way down to the Earth and make rain sufficiently acidi..
Nuclear Chemistry Summary
Summary - Radioactivity Spontaneous emission of active rays by certain unstable elements. Three types of radiations are: (i) Alpha particles He 2 + ion (Helium nuclei). (ii) Beta - rays - consist of electrons. (iii) Gamma - rays - High energy electromagnetic rays. Emission of alpha partic..
Limitations of biogas plants
Initial cost of installation of the plant is high. Number of cattle owned by an average family of farmers is inadequate to feed a biogas plant..
Properties of Iron
Physical Properties - Pure iron is a grey white metals. It appears to be brown due to rusting. It is malleable, ductile and magnetic. A good conductor of heat and electricity. Iron has a high density and high melting poi..
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