$FeS_2$ is
- AArtificial silver
- BFool’s gold
- CMohr’s salt
- DCast iron
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Heating silicon with which of the following at high temperature produces carborundum?
Easy
View SolutionThe number of amphoteric oxides from the following is
$CO_2, GeO_2, SnO_2, PbO_2, CO, GeO, SnO, PbO$
$CO_2, GeO_2, SnO_2, PbO_2, CO, GeO, SnO, PbO$
The silicate anion in the mineral kinoite is a chain of three $SiO_4$ tetrahedra,that share corners with adjacent tetrahedra. The charge of the silicate anion is
‘Lead pencil’ contains
Give the chemical reaction for preparing pure $CO$.
Easy
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