MEDIUMMCQ SINGLENEET ChemistryInorganic Chemistryp-Block (group 13 and 14)Aluminium and Its Compounds
An element of group 14 forms two oxides one of which is highly poisonous and neutral. Other oxide can be easily liquefied and compressed to give a solid which is used as a refrigerant under the name of drikold. The element and the oxides are
A.Si, SiO, SiO₂
B.Pb, PbO, PbO₂
C.C, CO, CO₂✓ Correct
D.Sn, SnO, SnO₂
Explanation
As drikold is solid carbon dioxide,element is C and CO is neutral and poisonous. CO₂ can be easily liquefied.
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