

MCQOPTIONS
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1. |
Which oxide of nitrogen is coloured gas [IIT 1987; Kurukshetra CEE 1998] |
A. | \[{{N}_{2}}O\] |
B. | \[NO\] |
C. | \[{{N}_{2}}{{O}_{5}}\] |
D. | \[N{{O}_{2}}\] |
Answer» E. | |