How many compounds can be formed when carbon combines with oxygen?
- A$4$
- B$1$
- C$2$
- D$3$
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Silicon is an important constituent of which of the following?
Easy
View SolutionThe number of amphoteric oxides from the following is
$CO_2, GeO_2, SnO_2, PbO_2, CO, GeO, SnO, PbO$
$CO_2, GeO_2, SnO_2, PbO_2, CO, GeO, SnO, PbO$
Among the following oxides of $p$-block elements,the number of oxides having amphoteric nature is: $Cl_2O_7, CO, PbO_2, N_2O, NO, Al_2O_3, SiO_2, N_2O_5, SnO_2$
DifficultJEE MAIN 2024
View SolutionWhich of the following statements are correct?
$1.$ Charcoal can be obtained by heating wood in the absence of air.
$2.$ Charcoal is an impure form of graphite.
$3.$ Diamond is thermodynamically the most stable allotrope of carbon.
$4.$ Coke is used as an oxidising agent during the extraction of iron from its ores.
$1.$ Charcoal can be obtained by heating wood in the absence of air.
$2.$ Charcoal is an impure form of graphite.
$3.$ Diamond is thermodynamically the most stable allotrope of carbon.
$4.$ Coke is used as an oxidising agent during the extraction of iron from its ores.
Non-oxide ceramics can be
DifficultAIIMS 2008
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