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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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Cathode rays have

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Cathode rays are 

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An alloy is

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The most abundant metal in earth crust is

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Answer & Explanation Answer: D) aluminium

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