Questions

Q:

Which gas is known as "Fuel of Future" ?

A) Methane B) Oxygen
C) Neon D) Hydrogen
 
Answer & Explanation Answer: D) Hydrogen

Explanation:

Because of its being pollution free and  combustion efficient, Hydrogen gas is  called fuel of future. Because of its origin in marshy places, Methane is called as 'Marsh Gas'.

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Q:

Which is the only bird that can fly backwards?

A) Sunbird B) Kingfisher
C) Honey eater D) Hummingbird
 
Answer & Explanation Answer: D) Hummingbird

Explanation:
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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.


Under the weather

 

A) Become a bit unpredictable like the weather. B) Slightly unwell or in low spirits.
C)  Feel optimistic simply because the weather is good. D)  Feel depressed because you expect bad weather.
 
Answer & Explanation Answer: B) Slightly unwell or in low spirits.

Explanation:
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Q:

Highest Bajra producing state in India?

A) Rajasthan B) Gujarat
C) Uttar Pradesh D) Haryana
 
Answer & Explanation Answer: A) Rajasthan

Explanation:
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Q:

What is the gram formula mass of Li2SO4?

A) 101.2487 B) 109.9446
C) 111.2687 D) 106.5871
 
Answer & Explanation Answer: B) 109.9446

Explanation:

The term gram formula mass is synonymous with molecular mass. So, to get this, we must add molar mass of all the elements in this compound.

 

Given compound is Lithium Sulphate - Li2SO4

Elemental calculation ::

Li  -  Lithium   -   6.941    -     2   -   13.88200 %
S  -  Sulfur     -    32.065   -    1   -   32.065 %
O  -  Oxygen   -   15.9994  -    4   -   63.9976 %

Now, total = 12.6264 + 29.1647 + 58.2090 = 109.9446 

 

Hence, the gram formula mass of Li2SO4 = 109.9446.

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Q:

Who is the father of email ?

A) Charles Babbage B) Ray Tomlinson
C) Tim Berners Lee D) Paul Buchheit
 
Answer & Explanation Answer: B) Ray Tomlinson

Explanation:

Email inventor Ray Tomlinson dies at 74. Ray Tomlinson, who sent the first e-mail, has died.

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Q:

The First Indian Woman who has climbed Mt. Everest twice without the use of Oxygen is _________

Answer

Ang Dorjee

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Q:

When was first train steamed off in India

A) 1848 B) 1853
C) 1875 D) 1880
 
Answer & Explanation Answer: B) 1853

Explanation:
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Filed Under: Indian Economy

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