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Q:

What is an endothermic reaction?

A) Reaction in which heat is released. B) Reaction in which heat is absorbed.
C) Reaction in which neither heat is released nor absorbed. D) None of these

Answer:   B) Reaction in which heat is absorbed.



Explanation:
Subject: Chemistry
Exam Prep: Bank Exams
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Air ___________________ are the substances which contaminate the air.

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