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JEE Main 201510 AprilOnline
Exam
JEE Main
Year
2015
Date
10 April
Mode
Online
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

JEE Main 2015 · 10 April · Online · Chemistry · General Principles and Processes of Isolation of Metals

In the isolation of metals, calcination process usually results in:

In the isolation of metals, calcination process usually results in:

Options

  1. AMetal oxide
  2. BMetal carbonate
  3. CMetal sulphide
  4. DMetal hydroxide

Correct answer

A. Metal oxide

Step-by-step solution

Calcination is used for decomposition of metal carbonates.
MCO3→∆MO+CO2↑MC{O}_{3}\overset{∆}{\to}MO + C{O}_{2} ↑
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