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Q. Hypothesis on chlorofluorocarbon?
A hypothesis is a probable explanation for what has been observed. Based on the explanation of ozone thinning and CFC build-up in the chemists Mario Molina, the atmosphere and F. Sherwood Rowland hypothesized that CFCs break in the atmosphere due to the Sun's ultraviolet rays. They additional hypothesized that a chlorine particle produced by the breakdown of CFCs could break down ozone.
If electron falls from n=3 to n= 2 , then emitted energy is: (1) 10.2ev (2) 12.09 ev (3) 1.9ev (4)0
One way to create ethanol for use as a gasoline additive is the reaction of water vapor with ethylene: a. write this equation using Lewis structures. b. Is this reaction e
Step growth or condensation polymerisation In this form of polymerisation monomers usually consist of two functional sets, that is difunctional monomers. In that method no init
properties of homologous series
what is agar-agar
The coordination number of Ni in the complex is 4, the configuration of Ni +2 , at first sight, shows that the complex is formed by sp 3 hybridization and it is paramagnetic an
alkaline earth metals
The correct order of increasing energy of atomic orbitals is: (1) 5p (2) 5p (3) 4f (4) 5p Ans: 5p
d 5
Ethanol or Ethyl alcohol This is obtained by the fermentation of Molasses in the presence of enzymes as catalyst. C12H22O11+H2O→C6H12O6 + C6H12O6 (sugar)
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