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Railways PYQCBT 1 2016

RRB NTPC · Question 51

Atmosphere of Venus most abundantly contains which of the following gases? A. Nitrogen B. Hydrogen C. Oxygen D. Carbon dioxide

  1. A

  2. B

  3. D

  4. C

Show answer & explanation

Answer: (C) D

Explanation

Venus's thick atmosphere is about 96% carbon dioxide, with clouds of sulphuric acid. The runaway greenhouse effect makes it the hottest planet, at about 465 °C.