Which of the following oxides shows electrical properties like metals
a. SiO2
B. MgO
c. SO2 (s)
d. CrO2
Ans. d
Explanation : CrO2 , TiO and ReO are some typical metal oxides which show electrical conductivity similar to metal. Which SiO2 , MgO and SO2are oxides of metal. semimetal and non- metal which do not show electrical properties
(14)
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