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0.45 g of anhydrous oxalic acid is reacted with 50 ml of KMNO4 . Then normality of KMnO4 is??
When atoms are bombarded with alpha particles, only a few in n, others pass out undeflected. This is because : (1) The nucleus occupies much smaller volume compared to the volu
what are the applications of this principle in agricultural engineering
An aqueous solution has a hydroxyl concentration of 1.75 x 10^-7mol/L. Find the concentration of hydrogen ions in this solution.
Hydrocarbon - Aliphatic Hydrocarbon Organic compounds that made up of only carbon and hydrogen are known as hydrocarbons. Hydrocarbons mainly are two kinds (1) Aliphatic Hyd
You make up 0.100 L of a buffer having 1.00 M acetic acid and 1.10 M sodium acetate. The Ka of acetic acid is 1.8 x 10-4. (a) Determine the pH of this buffer.
What is the diagonal relationship between Beryllium and Aluminium
Q. Illustrate about Borohydrides? Borohydrides like NaBH 4 ,, Be(BH 4 ,) 2 and Al(BH 4 )are the salts of complex tetrahydridoborate anion, BH - 4 ,. Since in BH - 4 ,. bor
What is the purpose of zone refining One refining process is based on the fact that the first solid to crystallize in a two component system is usually purer than the liquid as
Methylated spirits burner A easy burner can be made from an old boot polish tin. Though it is not necessary, a metal tube can be soldered to the top and a twisted piece of wire
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