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 16216

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 16207

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 16200

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

25 16200

Q:

Rearrange the parts of the sentence in correct order.

Seven decades ago,
P-Orwell wrote a clutch
Q-for the post-World War II British journal Polemic
R-of essays

A) RPQ	B) QRP
C) PRQ	D) QPR

Answer & Explanation Answer: C) PRQ

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 16198

Q:

The filament of a light bulb is made up of

A) Platinum	B) Tantalum
C) Tungsten	D) Antimony

Answer & Explanation Answer: C) Tungsten

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

0 16191

Q:

Rearrange the parts of the sentence in correct order:

Thus,

P-a developing economy also needs
Q-to have some notion of external balance
R-at the very least,

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

Answer & Explanation Answer: A) RPQ

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 16187

Q:

Availability Management is responsible for

A) Components and Business Processes	B) Services and Components
C) Services, Components and Business Processes	D) Services and Business Processes

Answer & Explanation Answer: B) Services and Components

Explanation:

Availability Management is the practice of identifying levels of IT Service availability for use in Service Level Reviews with Customers.

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Filed Under: ITIL Certification
Job Role: Database Administration , IT Trainer

6 16182

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