1.

R.Q. is represented by [CBSE PMT 1988; DPMT 2003; KCET 2004]

A. \[\frac{C}{N}\]
B. \[\frac{C{{O}_{2}}}{{{O}_{2}}}\]
C. \[\frac{{{O}_{2}}}{C{{O}_{2}}}\]
D. \[\frac{N}{C}\]
Answer» C. \[\frac{{{O}_{2}}}{C{{O}_{2}}}\]


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