Q:

Which one of the following elements is essential for construction is nuclear reactors

A) Cobalt	B) Nickel
C) Zirconium	D) Tungsten

Answer & Explanation Answer: C) Zirconium

Explanation:

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Filed Under: Chemistry

59 16074

Q:

When water freezes its density

A) decreases	B) remains constant
C) increases	D) become zero

Answer & Explanation Answer: A) decreases

Explanation:

When water freezes its density decreases.

Water at ordinary temperatures contracts and increases in density as it is cooled, like most substances. But at about 4°C it reaches a maximum density and then decreases in density as it approaches the freezing point.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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50 16069

Q:

The novelist, poet and critic of which language has been conferred with Jnanpith Award for 2015?

A) Bengali	B) Telugu
C) Odia	D) Gujarati

Answer & Explanation Answer: D) Gujarati

Explanation:

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Filed Under: Honours and Awards
Exam Prep: Bank Exams

0 16025

Q:

Who of the following is NOT related to ghazal singing?

A) Begum Akhtar	B) Malika Pukhraj
C) Penaz Masani	D) Haribhai Varadkar

Answer & Explanation Answer: D) Haribhai Varadkar

Explanation:

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Filed Under: Famous Personalities
Exam Prep: Bank Exams

0 15992

Q:

The Chinese traveller Hiuen Tsang, called the prince of pilgrims visited India during the reign of

A) Harsha	B) Chandragupta II
C) Dharampala	D) Devapala

Answer & Explanation Answer: A) Harsha

Explanation:

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Filed Under: Indian History

23 15990

Q:

Tether is most similar in meaning to

A) Cord	B) Unleash
C) Remove	D) None of the above

Answer & Explanation Answer: A) Cord

Explanation:

Tether is a rope, chain, or the like, by which an animal is fastened to a fixed object so as to limit its range of movement.

Cord is rope like to tie. Hence, cord is most similar in meaning to tether.

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Filed Under: English
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33 15989

Q:

The reduction potential of hydrogen half-cell will be negative if :
(1) $P (H_{2})$ = 2 atm and [H+] = 2.0 M
(2) $P (H_{2})$ = 1 atm and [H+] = 2.0 M
(3) $P (H_{2})$ = 1 atm and [H+] = 1.0 M
(4) $P (H_{2})$ = 2 atm and [H+] = 1.0 M

A) Option 1	B) Option 2
C) Option 3	D) Option 4

Answer & Explanation Answer: D) Option 4

Explanation:

$H^{+} - e^{-} \to \frac{1}{2} H_{2}$

Apply Nernst equation

$E = 0 - \frac{0.059}{1} \log (\frac{P H_{2}^{\frac{1}{2}}}{[H^{+}]})$

$E = - \frac{0.059}{1} \log (\frac{2^{\frac{1}{2}}}{1})$

Therefore E is Negative

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Filed Under: Chemistry
Exam Prep: AIEEE

26 15963

Q:

Who of the following kings was ardent follower of Jainism

A) Bimbisara	B) Mahapadmananda
C) Kharavela	D) Pulkeshin II

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