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Rutherford's α particle scattering experiment proved that atom has:
(1) Electrons
(2 )Neutron
(3) Nucleus
(4 )Orbitals
Ans: Nucleus
The type of orbitals present in Fe is : (1) s (2) s and p (3) s, p and d ()s, p, d, and f Ans: s, p and d
Q. Give neutralization reactions of salts? Ans. A salt is an ionic compound composed of an anion from an acid and a cation from a base. Sodium chloride, NaCl, and potassiu
mixture of sulphur carbon and kmno4 is named what
what is surface chemistry?
how to find angles and areas with cos and tan
Principle underlying the quantitative analysis: In flame photometry, the thermal energy from flame is utilized to convert the analyte within gaseous atoms and then to excite t
#question.how you can prepare 5 normal solution of potassium nitrate in 2 litre volume?
Number of protons, neutrons and electrons in the element 231/89 y is: (1) 89, 231, 89 (2) 89, 89, 242 (3) 89, 142, 89 (4) 89, 71, 89 Ans: 89, 142, 89
OUTLINE AND EXPLAIN THE LIMITATIONS OF VBT
i) Define a membrane in a process engineering context. Two of the main desired attributes of membranes are high permeability and high selectivity. Define permeability and select
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