Questions

Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero. B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1. D) Hydrogen can have more than one oxidation number.
 
Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Q:

What is the other name of sodium carbonate?

A) Baking soda B) Washing soda
C) Baking powder D) No option is correct
 
Answer & Explanation Answer: B) Washing soda

Explanation:
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Q:

Which one of the following is also regarded as Disguised unemployment?

A) Underemployment B) Frictional unemployment
C) Seasonal unemployment D) Cyclical unemployment
 
Answer & Explanation Answer: A) Underemployment

Explanation:
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
The after morning (1)/ she woke to the first ray of (2)/ light through the window. (3)/No Error (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

Explanation:
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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.


My tooth-brush is a thing that haunts me when I’m travelling, and ____________ my life a misery. I _____________ that I haven’t packed it, and wake up in a cold ________________, and get out of bed and hunt for it. And, in the morning, I pack it before I have used it, and have to unpack again to get it, and it is always the last thing I turn out of the bag; and _____________ I repack and forget it, and have to rush upstairs ___________ it at the last moment and carry it to the railway station, wrapped up in my pocket-handkerchief. Of course I had to turn every mortal thing out now, and, of course, I could not find it.


I _____________ that I haven’t packed it,

A) dream B) dreams
C) dreaming D) dreamer
 
Answer & Explanation Answer: A) dream

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Q:

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.


The preacher challenged hundreds of thousands of young people who gathered in a ___________ Polish meadow to reject being a "____________" who retreats into video games and computer screens and instead engage in social activism and politics to create a more just world. __________ his speech with ______________, the 79- year-old pope, despite a long day of public appearances, addressed his eager audience with enthusiasm yesterday on a warm summer night. Pope Francis spoke of a ______________ that comes from merely seeking convenience, from confusing happiness with a complacent way of life that could end up depriving people of the ability to determine their own fates.


Pope Francis spoke of a ______________ that comes from merely seeking convenience

A) selfishness B) panic
C) paralysis D) calamity
 
Answer & Explanation Answer: C) paralysis

Explanation:
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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.


This was enough ___________ the book store-owner-turned librarian Husain to asses its valuable contents. "The preface of the book read: 'painters __________ technical knowledge to paint, but lack to understand nature, ______________ they fail to create a masterpiece," points out Husain, adding, "All I ______________ in my life is about books and from books. The grand library ___________ the palace is a cache of knowledge."


This was enough ___________ the book store-owner-turned librarian

A) for B) of
C) to D) from
 
Answer & Explanation Answer: A) for

Explanation:
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Q:

Which Indian PSU has launched the country's first 100 Octane petrol?

A) HPCL B) IOC
C) ONGC D) GAIL
 
Answer & Explanation Answer: B) IOC

Explanation:
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