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Existence of positively charged nucleus was established by:
(1) Positive ray analysis
(2) α -ray scattering experiments
() X-ray analysis
(4) Discharge tube experiments
Ans: α-ray scattering experiments
Uses of Benzene - Hydrocarbon (1) In dry cleaning (2) As a motor fuel when mixed with petrol. (3) As a solvent. (4) In the manufacture of gammexane (As insecticide).
with suitable examples explain how a polar molecule could induce polarity to a nearby nonpolar molecule . Ans) Throughinduction,, the positive part of the polar molecule will a
difference between scales and sludge
.how decompose water to form in heat
explain diversity and magnitude of organic compounds?
Borosilicate glass: in this boric anhydride is used in place of lime. This glass generally contains 75-81% silica, 10-13.5% B 2 O 3 , 4.5-6% Na 2 O and 2-5% Al 2 O 3 . Sometimes Z
uses of DDT, Saccharin, BHC and Chloramine
Why do Zr and Hf show similar properties?
how to express nernst equation by daniel cell? as we have taken mass of subsstance insted of concentration
The uncertainty in momentum of an electron is 1 x 10 -5 kgm/ s . The uncertainity in its position will be( h= 6.63 x 10 -34 Js) : (1) 5.28 x 10 -30 m
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