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why didnt all the noble metals get rust even they have high electrode potentials?Ans) for e.g if you look at gold it is highly reactive with greater negativity of gibbs free energy, rust forms on it ,but the rust is volatile in nature. it evaporates at room temparature.
define term hardness,explain units of hardness
HOW UNIT CELL AND SPACE LATTICE ARE RELATED TO EACH OTHER?
Acetone - Aldehydes and Ketones It is a symmetrical or simple ketone and is the first member of the homologous sequence of ketones. In traces, it is exist in blood and urine.
Explain and Define standard feat of formation Ans) The amount of heat liberated of absorbed when single mole of compound is formed in its standard state from its elements in the
what are differences and similarities between covalent bond and electrovalent bond
Polyethylene: Polyethylene are formed by polymerization of ethylene under high pressure and at moderately high temperature. The resulting polymers are then subjected to substituti
Thirty pounds of coal (analysis 80% C and 20% H ignoring the ash) are burned with 600 lbs of air (with a variable humidity), yielding a gas have an Orsat analysis in which the rati
Physical Properties of Benzoic Acid (a) Benzoic Acid is a white crystalline solid. (b) Benzoic Acid has m.p. 394 K. (c) Benzoic Acid is sparingly soluble in cold water bu
trivalent acid and basic radicals
what is the atomic weight of oxygen
due to their high stability and less energy
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