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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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Which is the first metallic element in the Modern Periodic Table?

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Which of the following causes damage to bridges, iron railings and all objects made of metals?

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Answer & Explanation Answer: A) Satyendra Nath Bose

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