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what is the volume of a gas when the temperature is raised to 25 degrees celcius fro STP?
Q. Show reversible and exothermic reaction? The fact that SO 2 , can be oxidised to SO 3 , by air in the presence of platinum catalyst is the basis of the contact process which
In ion estimation why we have to change the oxidation state of the Fe+3 ion. Ans) Because if iron is in +3 oxidation state it will be morestable then we get preferable product. s
why is density of interstitial compounds less than that of parent metal ?
Q. Analysis of water gave the following results H 2 SO 4 = 196Mg/L; MgSO 4 = 24Mg/L, CaSO 4 = 272Mg/L and NaCl = 25Mg/L. Water is to be supplied to the town of the popul
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
COMPOUNDS A AND B CONTAIN COPPER AND SULPHUR.EACH CONTAINS 20% AND 33.33% EACH BY MASS OF SULPHUR RESPECTIVELY.FIND THE RATIO OF THE ELEMENTS USING THE THIRD LAW OF CHEMICAL COMBIN
Q. Mention the stages in product life cycle, at which sensory evaluation is used? Initial screening, product optimization, scale up and production are the stages in product lif
The quantum numbers for the outermost electron of an element are given below as n= 1, l=0, m=0, s = 1/2 . The atoms is: (1) Lithium (2) Beryllium (3) Hydrogen (4)
Describe about the Ferromagnetic materials Ferromagnetic materials are those for which k susceptibility is large and positive. These are strongly attracted by magnetic field. I
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