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Rutherford's scattering experiment is related to the size of the: (1) Nucleus (2) Atom (3) Electron (4) Neutron Ans: Nucleus
Substitution reactions Replacement of a molecule or set/group of the substrate by any another type of atom or group is termed as substitution reactions. Examples :
Why does calcium sulphate form scales in high pressure boilers
Q. Classification of emulsifiers? Emulsifiers can be classified under two categories. These are: • Natural: These are naturally present in foods. Some examples are phosphol
ELECTROCHEMISTRY AND ION CONCENTRATION Activity dependence of cell voltage: Measurement of galvanic cell potentials away from the standard state provides a convenient me
Which of the following are isoelectronic species I= CH + 3 , II-NH 2 , III- NH + 4 , IV-NH 3 (1) I, II, III (2) II, III, IV (3) I, II
Q. What happens to the energy values of d- orbitals? Let us see what happens to the energy values of d- orbitals under these stages. We start with the energy level diagram of a
Explain experimental evidence to demonstrate the existence of ferromagnetic domains. Temperature increases, thermal motion, or entropy, competes with ferromagnetic tendency for
Which of the following electron transition in a hydrogen atom will require the largest amount of: (1) From n-1 to n=2 (2) From n= 2 to n=3 (3) From n= ∞ to n=
Nucleophilic addition reactions: While the addition reaction takes place on account of the initial attack of nucleophile, the reaction is known as a nucleophilic addition react
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