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I have to prepare an assignment on Kohlrausch''s law .So what topics should I include under this topic for an effective assignment ??????
Price ceiling problems: The persistent shortage created by price ceiling will in turn pose the following problems: Rationing Government may have to apportion the quantity s
Q. Briefly Describe Problems and Applications of Radioactivity? Ans. All radiation, electromagnetic as well as the kind from nuclear decay, takes its toll on living organi
what will be theory of phthalic acid of crystallization?
1 gm of a metallic oxide on reduction gives 0.68 gm of the metal. ans) Mass of metal/mass of oxygen=eq. mass of metal/eq. mass of oxygen. applying this we get .68/.32=x/8 x=1
How does the substrate concentration affect the speed of enzymatic reactions? Ans) Initially as substrate concentration enhances the speed of the reaction enhances, this happens
Which of the following has maximum number of unpaired electron (atomic number of Fe 26): (1) Fe (2) Fe (II) (3) Fe (III) (4) Fe (IV) An
Which one of the following is not isoelectronic with O 2- : (1) N- 3 (2) F - (3) Tl + (4) Na + Ans: Tl +
Q. Explain the use Radioactive Nuclides? Ans. Radioactive elements are easily found because they emit radiation. They can be used as tracers to show what is happening in
qualitative analysis of cation
Colloids are classified as two types which are the lyophilic / reversible and lyophobic / irreversible. If water is the dispersion medium, then the term used are hydrophilic and hydrophobic.Lyophilic colloids: A colloidal system which may be constructed readily by simple warming or shaking the substance in a suitable solvent is called as lyophilic colloid. Substances that form lyophilic colloids involves gelatin, starch, and rubber, proteins, gum. Lyophilic colloids are also named as reversible colloids as on evaporating the dispersion medium such as water, the substance or the residue may be again reconverted into colloidal state simply by addition of the liquid i.e. water. These solutions are reasonably stable and usually cannot be easily precipitated.Lyophobic colloids: colloids constructed with difficulty are termed as lyophobic colloids. These colloids are constructed by substances such as As2S3 , Fe(OH)3, gold and other metals that are sparingly soluble and thus their molecules do not pass readily into colloidal state. Lyophobic colloids are called as irreversible colloids since the residue cannot readily be reconverted into sol by ordinary means. These solutions are quite readily precipitated and hence they are not stable.
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