List of top Chemistry Questions on Metallurgy asked in AP EAPCET

Identify \(X\) and \(Y\) involved in the extraction of zinc from sphalerite in the sequence given below \[ \text{Sphalerite} \longrightarrow \text{Froth flotation} \longrightarrow X \longrightarrow \text{Reduction with coke} \longrightarrow Y \longrightarrow \text{Pure zinc} \]
Which method of purification is used for refining titanium?
Match the following:
figure [H]
figure
Which of the following processes represents the extraction of pure metal from its ore?
Consider the following steps involved in the extraction of Aluminium. What is \(Z\)? \[ \text{Bauxite} \xrightarrow[\;523K\;]{\text{Hot conc. NaOH}} X(aq) \xrightarrow[\;CO_2\;]{} Y \xrightarrow[\;1473K\;]{} Z \xrightarrow[\;\text{electrolysis}\;]{} Al \]
Which refining method involves the reactions I and II shown below? I. \(Zr_{(Impure)} + 2I_2 \rightarrow ZrI_4\) II. \(ZrI_4 \xrightarrow{1800 K} Zr_{(Pure)} + 2I_2\)
Wrought iron is prepared from cast iron in a reverberatory furnace. The substance commonly used to line the furnace and the chemical process involved in it are respectively
Which of the following statements is not correct about Ellingham diagram?
Match List - I with List - II:
The ore calamine on calcination gives its oxide X. The common name of X is
The principal ore of aluminium is
Match List-I (Metals) with List-II (Refining Methods): {ll} List - I & List - II
A. NICKEL & I. ELECTROLYTIC REFINING
B. TITANIUM & II. ZONE REFINING
C. GERMANIUM & III. VAN ARKEL METHOD
D. COPPER & IV. MOND PROCESS
The principal ore of aluminium is