- 1(current)
Q. No.The reaction that does not take place in a blast furnace between 900 K to 1500 K temperature range during the extraction of iron is:
1. CaO + SiO2 → CaSiO3
2. Fe2O3 + CO → 2FeO + CO2
3. FeO + CO → Fe +CO2
4. C + CO2 → 2CO
1. CaO + SiO2 → CaSiO3
2. Fe2O3 + CO → 2FeO + CO2
3. FeO + CO → Fe +CO2
4. C + CO2 → 2CO
Subtopic: Metallurgy of individual elements |
Level 3: 35%-60%
NEET - 2023
Hints
Read the following statement and choose the set of correct statements:
choose the most appropriate answer from the options given below:
1. (D) and (E) only
2. (A) and (D) only
3. (A), (B) and (D) only
4. (B), (C) and (D) only
| A. | Chrome steel is used for cutting tools and crushing machines. |
| B. | The fine dust of aluminium is used in paints and lacquers. |
| C. | Copper is used for the reduction of alcohol. |
| D. | Zinc dust is used as a reducing agent in the manufacturing of paints. |
| E. | Iron is used for galvanising zinc. |
1. (D) and (E) only
2. (A) and (D) only
3. (A), (B) and (D) only
4. (B), (C) and (D) only
Subtopic: Metallurgy of individual elements |
Level 3: 35%-60%
NEET - 2023
Hints
The maximum temperature that can be achieved in blast furnace is :
1. Upto 1900 K
2. Upto 5000 K
3. Upto 1200 K
4. Upto 2200 K
Subtopic: Metallurgy of individual elements |
69%
Level 2: 60%+
NEET - 2021
Hints
- 1(current)
Q. No.
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