Questions

Q:

For a certain reaction,DGq = -45 kJ/mol and DHq= -90 kJ/mol at 0°C. What is the minimum temperature at which the reaction will become spontaneous, ifDHq and DSq are independent of temperature?

A) 273 K B) 298 K
C) 546 K D) 596 K
 
Answer & Explanation Answer: C) 546 K

Explanation:

T = 273 °K

Using the formula,

DGq = DHq –TDS

-45 = -90 –273 DS

DS = 0.164

Now since DHq and DSq are independent,T2= DH/DS = 45/0.164 = 273°K

Required Temp = 273 + 273 = 546°K

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Q:

Upanishads are the ______________________

A) Great Epics B) Story Books
C) Source of Hindu Philosophy D) Law Books
 
Answer & Explanation Answer: C) Source of Hindu Philosophy

Explanation:
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Q:

Who was the first woman Chief Minister of Uttar Pradesh?

A) Annie Besant B) Mayawati
C) Vijayalakshmi Pandit D) Sucheta Kriplani
 
Answer & Explanation Answer: D) Sucheta Kriplani

Explanation:
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Q:

Which gas in the atmosphere is essential for respiration?

A) Argon B) Carbon dioxide
C) Oxygen D) Nitrogen
 
Answer & Explanation Answer: C) Oxygen

Explanation:

Inhaling of oxygen and releasing of carbon dioxide to make our living is the process called as respiration. We know that, air is a mixture several gases like 78% of nitrogen, 21% of oxygen and several other gases with watervapour.

 

Hence, Oxygen is essential for respiration process.

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Filed Under: General Science
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Q:

The multinational maritime exercise AMAN-19 was conducted in which country?

A) Pakistan B) Japan
C) China D) India
 
Answer & Explanation Answer: A) Pakistan

Explanation:
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Q:

Androgens such as testosterone are produced by the

A) Spermatoganea B) Interstitial cells
C) Seminiferous D) None of the above
 
Answer & Explanation Answer: B) Interstitial cells

Explanation:

Androgens such as testosterone are produced by the Interstitial cells.

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Filed Under: Biology
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Q:

Improve the bracketed part of the sentence.
He thanked me for what I (have done) for his wife.

A) had done B) had been done
C) have been done D) No improvement
 
Answer & Explanation Answer: A) had done

Explanation:
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Filed Under: English
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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.


There is a time in every man's education when he arrives at the conviction that envy is ignorance; that imitation is suicide; that he must take himself for better, for worse, as his portion; that though the wide universe is full of good, no kernel of nourishing corn can come to him but through his toil bestowed on that plot of ground which is given to him to till. The power which resides in him is new in nature, and none but he knows what that is which he can do, nor does he know until he has tried. Not for nothing one face, one character, one fact, makes much impression on him, and another none. This sculpture in the memory is not without pre-established harmony. The eye was placed where one ray should fall, that it might testify of that particular ray. We but half express ourselves, and are ashamed of that divine idea which each of us represents. It may be safely trusted as proportionate and of good issues, so it be faithfully imparted, but God will not have his work made manifest by cowards. A man is relieved and gay when he has put his heart into his work and has done his best; but what he has said or done otherwise, shall give him no peace. It is a deliverance which does not deliver. In the attempt his genius deserts him; no muse befriends; no invention, no hope.

 

What is that which only the person himself knows and must act in order to discover it?

A) His untapped potential B) His destiny that lies in the future
C) The power which resides in him D) The joy of achieving success
 
Answer & Explanation Answer: C) The power which resides in him

Explanation:
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