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

41 16199
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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92 16195
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 16190
Q:

Select the antonym of

 

beleaguer

 

A) gnaw B) assist
C) badger D) pester
 
Answer & Explanation Answer: B) assist

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 16188
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
Exam Prep: AIEEE

43 16187
Q:

Choose the antonym of

fatigue

A) restive B) slouch
C) vigour D) tire
 
Answer & Explanation Answer: C) vigour

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

3 16186
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
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

27 16184
Q:

Improve the bracketed part of the sentence.

 

The duo’s network was (made to learn identify) true signals using previously vetted signals; they then studied the weaker signals.

 

A) made to learn to identify B) made to learning to identify
C) made learning to identify D) No improvement
 
Answer & Explanation Answer: A) made to learn to identify

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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