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For the n= 2 energy level, how many orbitals of all kinds are possible:
(1) 2
(2) 3
(3) 4
(4) 5
Ans: 4
What is a salt bridge? Salt bridge is a device used to link two electrodes on electrochemical cell. It maintains electrical neutrality and internal continuity. It is shown by
Which one pair of atoms or ions will have same configuration: (1) F + ans Ne (2) Li + He - (3) C l - and Ar (4) Na and K Ans: Cl - an
Q. Describe about Oxides? As said before, oxygen reacts practically with all the elements in the periodic table, except Lighter noble gases, to form binary compounds called oxi
Miller indices of the diagonal plane of a cube are (110)
General Tests on Benzoic Acid (a) It dissolves in hot water but separates out in the form of white shining flakes on cooling. (b) Benzoic Acid evolves CO 2 with sodium bica
Chemical nature
what is cause of chemical combination?
Problem: Let us calculate Q value of the reaction 27 Al (d, α) 25 Mg Answer: Given that masses of 27 Al = 26.981541 2 H = 2.014102 4 He = 4.
synthesis, posted date 1/12/2013 7;26;41 pm\location ;austeralia
Explain cis- and trans-3-hexene Both cis- and trans-3-hexene should give the similar one alkyl halide product when they react with HI, and both would undergo catalytic hydroge
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