Sawaal
4
Q:

Which among the following is the most electronegative element?

A) Flourine B) Bromine
C) Iodine D) Oxygen

Answer:   A) Flourine



Explanation:

Flourine is the most electro negative element due to its small atomic radius .It also has the tendency to accept an electron to complete octet configuration

Subject: Chemistry
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Methane contributes towards global warming so it is called a _________________ gas.

 

A) poisonous B) carcinogenic
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Which of the following is a metal?

 

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Which of the following group is NOT Dobereiner Triads?

 

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Air ___________________ are the substances which contaminate the air.

A) Reactants B) Irritants
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Answer & Explanation Answer: D) Pollutants

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By using which foam the Researchers from Indian Institute of Technology – Bombay have made a low cost piezo resistive vibration sensor?

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Which of the following is NOT a compound?

 

A) Ammonia B) Milk
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Answer & Explanation Answer: B) Milk

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