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WHAT IS THE EQUIVALENT WEIGHT OF Mg(HCO3)2
(a) Which aqueous solution has higher concentration 1 molar or 1 molar solution of the same solute? Give reason. (b) 0.5g KCI was dissolved in 100g water and the solution origi
The energy of an electron in orbit of hydrogen atom is : (1) 13.6/n 4 x eV (2) 13.6/n 3 xeV (3) 13.6/n 2 xeV (4)13.6/nx eV Ans:
ionic bonds are usually formed by combination of elements with
how can you prepare 20%(v:v),150ml ethanol solution
What is meant by entropy driven reaction? How can a reaction with positive changes of enthalpy and entropy are made entropy driven
why zinc extracted from zinc oxide through reduction with co? Ans) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negative ΔG value then CO
How many unpaired electrons are present in Ni 2+ cation (atomic number = 28): (1) 0 (2) 2 (3) 4 (4) 6 Ans: 2
How do i calculate the number of grams of CO that can react with .150kg of Fe2O3?
Q. General Characteristics of elements of Group 13? All the elements of Group 13 have similar valence shell electronic configuration of ns 2 np 1 , but the underlying core vari
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