

MCQOPTIONS
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1. |
Which of the following after burning at room temperature gives gaseous oxide [NCERT 1973; CPMT 1981; DPMT 1982; JIPMER 2001] |
A. | H |
B. | \[Na\] |
C. | S |
D. | \[He\] |
Answer» D. \[He\] | |