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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Filed Under: Chemistry

92 16201

Q:

The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of 10 $d m^{3}$ at 27°C is to a volume of 100 $d m^{3}$

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:

$∆ s = n R \ln \frac{v 2}{v 1}$

$= 2.303 n R \log \frac{v 2}{v 1}$ = $2.303 \times 2 \times 8.314 \times \log (\frac{100}{10})$ = $38.3 J$ $m o l^{- 1}$ $k^{- 1}$

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Filed Under: Chemistry
Exam Prep: AIEEE

43 16191

Q:

Select the synonym of

genre

A) celebrity	B) common man
C) category	D) pleasant

Answer & Explanation Answer: C) category

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 16183

Q:

Select the antonym of

discrepant

A) contrary	B) dissonant
C) harmonious	D) variance

Answer & Explanation Answer: C) harmonious

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 16181

Q:

Rearrange the parts of the sentence in correct order.

In order to tone up

P : it should be

Q : the physical education programme,

R : reoriented and implemented

A) PQR	B) PRQ
C) RQP	D) QPR

Answer & Explanation Answer: D) QPR

Explanation:

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Exam Prep: Bank Exams

0 16180

Q:

Find the Missing Numbers in the given Number Puzzle ?

A) 169 & 81	B) 67 & 121
C) 64 & 115	D) 70 & 110

Answer & Explanation Answer: A) 169 & 81

Explanation:

Observe that in each column, square of sum of digits in the first row = Respective second row elements.

In the same way, square of sum of digits in the second row = Respective third row elements.

=> ${(6 + 4)}^{2} = 10^{2} = 100$

=> ${(4 + 9)}^{2} = 13^{2} = 169$

=> ${(8 + 1)}^{2} = 9^{2} = 81$ .

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Filed Under: Number Puzzles
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82 16176

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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25 16166

Q:

Improve the given sentence if necessary.

Unless you are not very careful, you will run into debt.

A) are very	B) will be very
C) may be	D) No improvement

Answer & Explanation Answer: A) are very

Explanation:

‘Unless’ is used to denote the condition i.e. ‘If’...... ‘Not’. So, again the use of negative word ‘not’ is superfluous. So, the phrase, ‘are not very’ needs to be replaced with ‘are very’ to make the sentence grammatically correct. Thus, the correct formation would be, ‘Unless, you are very careful, you will run into debt’.

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Filed Under: English
Exam Prep: Bank Exams

0 16165

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