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Q. What are the uses of Oxygen? Oxygen is essential for life. Most life processes are based on oxidative metabolism: While the terrestrial beings take up oxygen through respira
The device through which chemical energy is converted into electrical energy is known as galvanic cell or electrochemical cell or voltaic cell. In a galvanic cell, a redox reaction
why is the valence electron 4s2 in the elelment Sc21 and not 3d1?
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What are the limitations of valence bond theory?
Physical properties of Aromatic Nitro Compounds (a) Aromatic nitro compounds are insoluble in water although soluble in organic solvents. (b) They are either pale yellow liq
According to Collision theory a chemical reaction takes place due to collision between the particles of these reactants. The number of reacting species (atoms, ions or molecules) w
Simple crystallisation - Purification of organic compounds This is the most general technique used to purify organic solids. It is associated with the concept that whenever
name the smallest element that has all properties of an element
chemical & physical properties of p block elements
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