From the options given below, identify the processes that are NOT involved in the “concentration of ore”. A. Froth floatation process B. Calcination C. Bayer’s process D. Electromagnetic separation

From the options given below, identify the processes that are NOT involved in the “concentration of ore”. A. Froth floatation process B. Calcination C. Bayer’s process D. Electromagnetic separation Correct Answer Only B

  • Calcination is not a process that is involved in the “concentration of ore”.
  • Calcination process is used to extract crude metal from the concentrated ore.
  • Concentration of low-grade sulphide ores involves the process of Froth floatation.
  • Concentration of aluminium (bauxite) ore involves the Bayer’s process.
  • Electromagnetic separation process is employed for the concentration of ores, where either the ore or impurities associated with have magnetic nature.
Bissoy MCQ

Related Questions

Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?
Ore concentration by froth floatation utilises the __________ of ore particles.
Which of the following statements are correct? i) Physical separation – in which process use different physical objects like separate printers ii) Physical separation – in which process having different security requirement at different times iii) Logical separation – In which users operate under illusion that no other processes exist iv) Logical separation – In which processes conceal their data and computations
Which of the following statements are correct? i) Physical separation – in which process use different physical objects like separate printers ii) Temporal separation – in which process having different security requirement at different times iii) Physical separation – In which users operate under illusion that no other processes exist iv) Temporal separation – In which processes conceal their data and computations
The following information is provided for an ore deposit:
Number of waste blocks = 10
Number of ore blocks = 5
Volume of each waste block, m3 = 600
Total cost of waste handling per m3 = Rs. 100
Tonnage of each ore block = 400
Total cost of ore handling per ton = Rs. 150
Sale price of ore per ton = Rs. 500
The net cash flow of mining the deposit in lakhs of rupees, is
Which of the following statements are true with respect to iron ore?
I. Limestone and coal are important for smelting iron ore
II. More than 20% of the world iron ore deposits are in India
III. Odisha and Jharkhand top in the production of iron ore
IV. Iran is the largest buyer of Indian iron ore
Consider the following methods with respect to concentration in metallurgy- I. Froth Flotation  II. Magnetic Concentration  III. Gravity Separation  Which among the above is/are NOT a method of concentration?
500 kg of ore contained a certain amount of steel. After the first blast furnace process, 200 kg of slag containing 12.5% of steel was removed. The percentage of steel in the remaining ore was found to be 20% more than the percentage in the original ore. How many kg of steel were there in the original 500 kg ore?
Some students were not involved in the strike. If the above statement is true, which of the following conclusions is/are logically necessary? 1. Some who were involved in the strike were students. 2. No student was involved in the strike. 3. At least one student was involved in the strike. 4. Some who were not involved in the strike were students.
Match the following: List - I List - II i. Ore of Pb (Lead) a. Siderite ii. Ore of Fe (Iron) b. Galena iii. Ore of Cu (Copper) c. Philosopher's wool iv. Ore of Zn (Zinc) d. Malachite