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Alum is a chemical (aluminum potassium sulphate) it tends to be whitish powder with various uses.
explain zone refining method of purification of silicon
define the terms -cogulation ,tyndal effect ,gold number ,adsorbate ,adsorbent ,electrophoresis ,hardy schulzes rule ,peptisation ,promoters ,poisions ,browiner movement ,dialysis.
Silicon has 4 electrons in the outermost orbit. In forming the bonds: (1) It gains electrons (2) It loses electrons (3) It shares electrons (4) None of these Ans: I
what is the geometry of coordination position isomers
0.45 g of anhydrous oxalic acid is reacted with 50 ml of KMNO4 . Then normality of KMnO4 is??
Westron_>zn+alcohol->?
Evaluation of food quality A common practice employed to evaluate the shelf life of a given food product is to determine changes in selected quality characteristics over a per
the increasing order(lower first) for the values of e/m (charge/mass) for e,p,n,a?
Ernest Rutherford in 1909 conducted what is now a famous experiment where he bombarded gold foil with alpha particles (Helium nuclei). A source which undergoes for alpha decay is
Q. Explain about Dihalide? Dihalides: Dichlorides and dibromides are formed by the lower members of the group, viz., Se, Te and Po. These are formed mainly by dissociation of t
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