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The Ca 2+ and Mg 2+ ions in hard water form scum with soap. Therefore they don''t form lather and therefore don''t clean the dirt.
Aluminium metal is frequently used as a reducing agent for the extraction of metals such as chromium, manganese etc. Explain why? Ans) Aluminium is an highly electropositive metal
define homolytic and heterolytic
AS THIS ALKALI METALS HAS LARGE SIZE AND LESS IONISATION ENERGY THEY LOSE THEIR OUTERMOST ELECTRON EASILY. PHOTOELECTRIC EFFECT MEANS EJECTION OF ELECTRONS FROM A METAL WHEN THEY
DEGREE OF HARDNESS: The degree of hardness of water is conveniently expressed in terms of equivalent amount of CaCO 3 . Although hardness of water is never present in th
how to prepare chlorine water
In a Ecell, why do you flip the value of the smaller value?
describe the steps necessary in preparing a standard solution of 1.0 molar NaOH
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Is there any difference b/w solution and mixture?
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