Questions

Q:

Temporary hardness is due to the presence of 

A) Calcium carbonate B) calcium bicarbonate
C) magnesium sulphate D) calcium sulphate
 
Answer & Explanation Answer: B) calcium bicarbonate

Explanation:

Temporary hardness is due to the presence of soluble bicarbonates of calcium and magnesium in water. Permanent hardness is due to the presence of sulphates and chlorides of calcium and magnesium.

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Filed Under: Chemistry

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Q:

The electrochemical cell stops working after some time because ________

A) Electrode potential of both the electrodes becomes zero B) One of electrodes completely vanishes
C) Electrode potential of both electrodes equalizes D) The reaction reverses its direction
 
Answer & Explanation Answer: C) Electrode potential of both electrodes equalizes

Explanation:
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Q:

Which of the following is a storage device?

A) Floppy discs B) hard disk drive
C) Optical disc D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Which_of_the_following_is_a_storage_device1554210303.jpg image

All of the above given options are storage devices.

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Filed Under: Computer
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Q:

The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of 10 dm3 at 27°C is to a volume of 100 dm3

 

A) 42.3 J/ mole / K B) 38.3 J/ mole / K
C) 35.8 J/ mole / K D) 32.3 J/ mole / K
 
Answer & Explanation Answer: B) 38.3 J/ mole / K

Explanation:

s=nRlnv2v1 

=2.303 nR logv2v1 = 2.303×2×8.314×log10010 = 38.3 J mol-1k-1

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Filed Under: Chemistry
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Q:

Rearrange the parts of the sentence in correct order.

 

P: The Mughal empire was extensive, but it was not integrated.
Q: It was rather an agglomeration of territories bound together by a common administration and common ties to the imperial authority.
R: The strong hand of the emperor held the country together, compelling obedience from the nobles who governed the provinces.
S: But these nobles felt no sense of national loyalty, for the simple reason that the empire was not a nation.

A) PRQS B) SRQP
C) PRSQ D) RSQP
 
Answer & Explanation Answer: C) PRSQ

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Who is the custodian of indian constitution?

A) Supreme Court B) Cabinet Ministers
C) President D) Parliament
 
Answer & Explanation Answer: A) Supreme Court

Explanation:

The president is the nominal custodian of the Indian constitution but the ideal custodian is the supreme court of India.

Who_is_the_custodian_of_indian_constitution1557491256.jpg image

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Filed Under: Indian Politics
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Q:

Output of the Program :

main()

{

int i = 1;

while (i <= 5)

    {

         printf( "%d", i );

         if (i > 2) goto here;

         i++;

     }

}

fun()

{

here : printf( "PP" );

}

A) 1 B) 2
C) Compilation error D) Exception occurs
 
Answer & Explanation Answer: C) Compilation error

Explanation:

Compiler error: Undefined label 'here' in function main

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Filed Under: Programming

3 16153
Q:

Smallest gulf in the world is

A) Gulf of Mexico B) Persian Gulf
C) Gulf of Oman D) Gulf of California
 
Answer & Explanation Answer: D) Gulf of California

Explanation:

A gulf in geography is a large bay that is an arm of an ocean or sea.

 

The second smallest sea on Earth is the Sea of Cortez, more commonly called the Gulf of California. This sea is about 62,000 square miles. It lies between Mexico and the Baja California Peninsula.

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Filed Under: World Geography
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