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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



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Subject: Chemistry
Exam Prep: Bank Exams
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The common name of hydrogen peroxide is

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The Chemical formula of Cadmium nitrate is _____.

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C) Cd2(NO3)2 D) Cd2NO3
 
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Which of the following induces souring of milk?

A) Acetic Acid B) Citric Acid
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What happens when one S and one P orbital is hybridized?

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Answer & Explanation Answer: B) We get two orbitals at 180 degrees

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LPG is a mixture of _______.

A) methane and butane B) butane and propane
C) methane and propane D) ethane and propane
 
Answer & Explanation Answer: B) butane and propane

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Q:

The common name of sodium bicarbonate is _____.

A) baking soda B) borax
C) bleach D) epsom salt
 
Answer & Explanation Answer: A) baking soda

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Which of the following elements has the lowest melting point?

A) Iodine B) Lead
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Answer & Explanation Answer: D) Mercury

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_______________ is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration.

A) Diffusion B) Osmosis
C) Active Transport D) Passive Transport
 
Answer & Explanation Answer: C) Active Transport

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