Q.
S.L. Miller gave the experimental proof of the theory of chemical evolution. Which chemical substances were obtained by him during the experiment?
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NTA AbhyasNTA Abhyas 2020Evolution
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Solution:
The conditions on earth were high temperature, volcanic storms, reducing atmosphere containing CH4, NH3, etc. In 1953, S.L. Miller, an American scientist, created similar conditions on a laboratory scale. He created electric discharge in a closed flask containing CH4, H2, NH3 and water vapour at 800°C. He observed the formation of amino acids.