JEE · NEET Previous Year Question
The pair that does NOT require calcination is:
Topic: JEE PYQ
Answer: A. Full step-by-step solution below.
- AZnO and
- BZnO and
- C and
- D and
Correct answer: A
Solution
(a) JEE Main 2019Calcination involves the conversion of metal carbonatesor hydrated oxides into metal oxides. and are oxides, therefore, does not require calcination.
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