Consider the following statements `:`
`S_(1) :` In extration of iron from haematite ore, the reduction reactions take place only in the lower temperature range in the blast furnace.
`S_(2) :` Calamine in an carbonate ore of zince.
`S_(3) :` The principle ore of aluminium , bauxite , usually contains silica, iron oxides and titanium oxide as impurities.
`S_(4) :` Solidified copper obtained from silica lined conventor ( Bessemer converter ) has blistered appearance due to the evolution of `SO_(2)`.
Which are correct statements?

Options

A. I and II
B. II and III
C. I and III
D. II, III and IV

Explanation

To determine which statements are correct, we will analyze each statement one by one based on the principles of metallurgy and the properties of the ores mentioned.

### Step-by-Step Solution:

1. **Analyze Statement S1:**
- **Statement:** In extraction of iron from haematite ore, the reduction reactions take place only in the lower temperature range in the blast furnace.
- **Analysis:** This statement is incorrect. In a blast furnace, the temperature ranges from about 1200 to 1500 Kelvin. Reduction reactions occur at both lower and higher temperature ranges. Therefore, this statement is false.

2. **Analyze Statement S2:**
- **Statement:** Calamine is a carbonate ore of zinc.
- **Analysis:** This statement is correct. Calamine is indeed ZnCO3, which is a carbonate ore of zinc. Thus, this statement is true.

3. **Analyze Statement S3:**
- **Statement:** The principal ore of aluminium, bauxite, usually contains silica, iron oxides, and titanium oxide as impurities.
- **Analysis:** This statement is also correct. Bauxite typically contains impurities such as SiO2 (silica), Fe2O3 (iron oxide), and TiO2 (titanium oxide). Therefore, this statement is true.

4. **Analyze Statement S4:**
- **Statement:** Solidified copper obtained from silica-lined converter (Bessemer converter) has a blistered appearance due to the evolution of SO2.
- **Analysis:** This statement is correct. The blistered appearance of copper is due to the evolution of SO2 gas during the refining process. Hence, this statement is true.

### Conclusion:
- **Correct Statements:** S2, S3, and S4 are correct.
- **Incorrect Statement:** S1 is incorrect.

### Final Answer:
The correct statements are S2, S3, and S4.

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