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Q:

___ is one of the states of matter obtained by cooling a gas of very low density to extremely low temperatures.

A) Gas B) Plasma
C) Bose-Einstein Condensate (BEC) D) Plasma Condensate

Answer:   C) Bose-Einstein Condensate (BEC)



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Subject: Chemistry
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The percentage of nitrogen in the air is about

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Answer & Explanation Answer: C) 78%

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

 

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Answer & Explanation Answer: D) No option is correct

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Which of the following group is NOT Dobereiner Triads?

 

A) Li, Na, K B) N, P Au
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Answer & Explanation Answer: B) Phosphorus

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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?

 

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Answer & Explanation Answer: B) Milk

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