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Which of the following configuration is correct for iron : (1) 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 6 ,, 3d 5 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 6 , 4s 2 , 3d 5 (3)
Rutherford's α particle scattering experiment proved that atom has: (1) Electrons (2 )Neutron (3) Nucleus (4 )Orbitals Ans: Nucleus
How many KCal of heat are liberated when 48.0 grams of iron are burned to form Fe2O3 at standard state conditions? (Change of Hf^0 of Fe2O3 is -197 kCal/Mole )
#questionQ1. 0.28gm of CaCO3 was dissolved in HCl and the solution was made to one litre with distilled water. 100 ml of the above solution required 28 ml of EDTA solution on titra
How many grams are in 4.5 moles of carbon?
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Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
aavart sarini ke liye koi trick hai kya?
Why lithium and beryllium markedly differ from other members of their respective groups?
You are interested in modelling a 10 m surge tank which holds the products exiting a plug flow reactor, as shown below. One of the purposes of the tank is to heat the reactor prod
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