Easy
In the extraction of copper from its sulphide ore,the slag is formed by adding which of the following?
- A$SiO_2$
- B$FeO$
- C$P_2O_5$
- D$CaO$
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Neutral refractory material used in furnaces is
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View SolutionThe reaction for obtaining the metal $(M)$ from its oxide $(M_{2}O_{3})$ ore is given by
$M_{2}O_{3(s)} + 2 Al(\ell) \xrightarrow{\text{Heat}} Al_{2}O_{3}(\ell) + 2 M_{(s)}$,$(s = \text{solid}, \ell = \text{liquid})$
In this case,$M$ is
$M_{2}O_{3(s)} + 2 Al(\ell) \xrightarrow{\text{Heat}} Al_{2}O_{3}(\ell) + 2 M_{(s)}$,$(s = \text{solid}, \ell = \text{liquid})$
In this case,$M$ is
Which form of iron has the highest melting point?
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View SolutionWhat is the role of limestone during the extraction of iron from haematite ore?
For the formation of which compound in the Ellingham diagram does $\Delta G^{\circ}$ become more and more negative with an increase in temperature?
MediumKCET 2023
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