Bauxite is concentrated by

Bauxite Is Concentrated By Chemistry Question

Bauxite is concentrated by

Options

(a) magnetic separation
(b) roasting
(c) froth floatation process
(d) chemical method

Correct Answer:

chemical method

Explanation:

Bauxite (Al₂O₃.2H₂O) is concentrated by chemical method. In this method bauxite is well digested with concentration sodium hydroxide which dissolves all the Al₂O₃ component in the ore to form a solution of sodium aluminate leaving behind the impurities.

Related Questions:

  1. Which one of the following method, is commonly used method for destruction of
  2. Which one of the following is not a sulphide ore
  3. Which of the following is not soluble in NaOH
  4. Which of the following coordination compounds would exhibit optical isomerism
  5. Number of molecules in one litre of water is close to

Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)

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