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Q:

Which of the following group is NOT Dobereiner Triads?

 

A) Li, Na, K B) N, P Au
C) Cl, Br, I D) Ca, Sr, Ba

Answer:   B) N, P Au



Explanation:
Subject: Chemistry
Exam Prep: Bank Exams
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Electrons in the highest energy level of an atom are called ________.

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What is the Greenhouse Effect?

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Answer & Explanation Answer: B) It is the warming of earth's surface due to its atmosphere

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Beryl is an ore/mineral of

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Answer & Explanation Answer: A) 7

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