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3
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 gas contributes most to the Greenhouse effect?

A) Water vapour B) Ozone
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Answer & Explanation Answer: A) Water vapour

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Which of the following molecules is joined by a double covalent bond?

A) Cl2 B) O2
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A) Nitrous oxide B) Hydrogen dioxide
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Answer & Explanation Answer: C) Chlorofluro carbon

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Which one of the following is a bad Thermal Conductor?

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Answer & Explanation Answer: C) Glass

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Rusting is _____.

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Q:

Which amongst the following is not a Cation?

A) Aluminium ion B) Copper ion
C) Sulphate ion D) Zinc ion
 
Answer & Explanation Answer: C) Sulphate ion

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Which of the following is not a component of Smog?

A) Volatile organic compounds B) Nitrogen Oxide
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Which among the following is an endothermic reaction?

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Answer & Explanation Answer: C) Sweating

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