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6.Evolution
normal
The gases used in the spark-discharge apparatus were
A
${H_2},C{H_4}$ and $N{H_3}$
B
$CO,N{H_3},$ and $C{H_4}$
C
${O_2},C{O_2},$ and $N{H_3}$
D
$N{H_3},C{H_4}$and ${O_2}$
Solution
(a)Miller passed an electric discharge in a mixture of methane, ammonia and hydrogen (ration $2 : 1 : 2$) and water.
Standard 12
Biology
