Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumThe reaction that does $NOT$ take place in a blast furnace between $900 \ K$ to $1500 \ K$ temperature range during the extraction of iron is:
- A$CaO + SiO_2 \rightarrow CaSiO_3$
- B$Fe_2O_3 + CO \rightarrow 2FeO + CO_2$
- C$FeO + CO \rightarrow Fe + CO_2$
- D$C + CO_2 \rightarrow 2CO$
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Similar Questions
The chemical process of manufacturing of steel from its ore haematite involves
Medium
View SolutionAddition of high proportions of manganese makes steel useful in making rails of rail-roads because manganese
Column-$I$ Column-$II$ $A$. Metal which occurs in the native state in nature is $P$. $Hg$ $B$. The oxide of metal that can be commercially reduced by Aluminothermic reduction process is $Q$. $Ti$ $C$. van Arkel method is used for preparing ultrapure metal of $R$. $Cr$ $D$. Auto reduction process is employed for the sulphide ore of $S$. $Ag$
| Column-$I$ | Column-$II$ |
| $A$. Metal which occurs in the native state in nature is | $P$. $Hg$ |
| $B$. The oxide of metal that can be commercially reduced by Aluminothermic reduction process is | $Q$. $Ti$ |
| $C$. van Arkel method is used for preparing ultrapure metal of | $R$. $Cr$ |
| $D$. Auto reduction process is employed for the sulphide ore of | $S$. $Ag$ |
Medium
View SolutionBell metal is an alloy of
Match the alloys in Column $A$ with their uses in Column $B$:
Column $A$ Column $B$ $(1)$ Stainless steel $(a)$ Riveting $(2)$ Bronze $(b)$ Making artifacts $(3)$ Nitinol $(c)$ Making coins $(4)$ German silver $(d)$ Making musical instruments $(e)$ Making surgical instruments
| Column $A$ | Column $B$ |
| $(1)$ Stainless steel | $(a)$ Riveting |
| $(2)$ Bronze | $(b)$ Making artifacts |
| $(3)$ Nitinol | $(c)$ Making coins |
| $(4)$ German silver | $(d)$ Making musical instruments |
| $(e)$ Making surgical instruments |
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