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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.
what is the easy wet test of copper?
Uses of oils and fats (a) Several oils and fats are used as food material. (b) Oils and fats are employed for the manufacture of glycerol, fatty acids, soaps, candles, veget
Spectroscopy: 1. Run IR spectra on both of your purified products and on pinacolone. Comment on any features of interest, including the C=O stretch frequencies. 2. Obtai
What are liquid crystals? Give examples. Liquid crystals are an intermediate state among liquid state and solid state. They exhibit some characteristic properties of both soli
The number of unpaired electrons in nitrogen is: (1) 1 (2) 3 (3) 2 (4) None of these Ans: 3
A sub-shell l= 2 can take how many electrons: (1) 3 (2) 10 (3) 5 (4) 6 Ans: 10
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
prperties of s block elements?
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The role of prion in BSE
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