Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2021ChemistryGeneral Principles and Processes of Isolation of MetalsActual

The maximum temperature that can be achieved in blast furnace is:

Options

  1. Aupto 1200   K
  2. Bupto 2200   K
  3. Cupto 1900   K
  4. Dupto 5000   K

Correct answer

B. upto 2200   K

Step-by-step solution

Hot air is blown from the bottom of the furnace and coke is burnt to give temperature up to about 2200K in the lower portion itself. It is the highest temperature in the blast furnace.

Practice General Principles and Processes of Isolation of Metals on Quantrex Academy →

More from General Principles and Processes of Isolation of Metals

The reaction that does NOT takes place in blast furnace between 900K and 1500K temperature range during the extraction of iron is: 2023Read the following statements and choose the set of correct statements: (A) Chrome steel is used for cutting tools and crushing machines. (B) The fine dust of aluminium is used in 2023Match List-I with List-II. List-I (Ores) List-II (Composition) (a) Haematite (i) Fe 3 O 4 (b) Magnetite (ii) ZnCO 3 (c) Calamine (iii) Fe 2 O 3 (d) Kaolinite (iv) Al 2 ( OH ) 4 Si 2022Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature? 2021Identify the correct statement from the following: 2020Match the elements in Column I with methods of purification in Column II. Column-I Column-II (a) Boron (p) Van Arkel method (b) Tin (q) Mond's process (c) Zirconium (r) Liquati 2020Assertion : ZrI ₄ is useful in purification of zirconium (Zr). Reason : ZrI ₄ sublimise at room temperature. 2019Match the Column-I with Column-II. 2019 Full General Principles and Processes of Isolation of Metals list All NEET PYQs