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Q:

What are transition elements?

A) Elements whose two outermost shells are incomplete B) Elements which possess properties of both, metals and non-metals
C) They have eight electrons in the outermost shell D) Elements whose three outermost shells are incomplete

Answer:   A) Elements whose two outermost shells are incomplete



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

A) Reactants B) Irritants
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Answer & Explanation Answer: D) Pollutants

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