A) \[{{H}_{2}}{{O}_{2}}\]decomposes rapidly in presence of \[Mn{{O}_{2}}\]
B) Ice at its melting point is lighter than water because ice crystals have hollow hexagonal arrangement of \[{{H}_{2}}O\]molecules.
C) \[{{D}_{2}}O\]will have maximum density at \[11.5{}^\circ C\]
D) Water gas contains greater proportion of CO than that of \[{{H}_{2}}\]
Correct Answer: D
Solution :
[d] \[{{H}_{2}}=50\]Volumes, \[CO=40\]volumes, \[{{N}_{2}}\]and \[C{{O}_{2}}=5\]volumes, etc.
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