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Which type of bonding exists in Li2o and CaF2 respectively :
(1) Ionic, ionic
(2) Ionic, covalent
(3) Covalent, ionic
(4) Coordinate, ionic
Ans: Ionic, ionic
The positive charge of an atom is: (1) Spread all over the atom (2) Distributed around the nucleus (3)Concentrated at the nucleus (4) All of these Ans: Concentr
What is the effect of the various concentrations of aniline hydrochloride on the ph and the X value, and what''s the logic behind all this
How many moles of copper will be produced from 2.00 moles of aluminum?
The charge on the atom containing 17 protons, 18 neutrons and 18 electrons is: (1) +1 (2) -2 (3) -1 (4)Zero Ans: -1
p-orbitals of an atom in presence of magnetic field are: (1) Two fold degenerate (2) Non degenerate (3) Three fold degenerate (4) None of these Ans: Non degenerate
what is redox titration
State 2nd law of thermodynamics in many forms as possible and show that they are identical in figures?
Consider the ground state of(Z= 24) . The numbers of electrons with the azimuthal quantum numbers,l=1 and 2 are, respectively: (1) 16 and 4 (2) 12 and 5
ether is more volatile than an alcohol both having same molecular formula. why?
Three power plants have been suggested that operate at these efficiencies. Plant Power Plant Efficiency (%) I 81
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