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 16201

Q:

Improve the bracketed part of the sentence.

It is dangerous and harmful to be guided in our life’s course by hatreds and aversions, for they are wasteful of energy and limit and twist the mind, and prevent it (to perceiving) the truth.

A) from perceiving	B) upon perceiving
C) to perceive	D) No improvement

Answer & Explanation Answer: A) from perceiving

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 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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Filed Under: Chemistry

92 16196

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 16188

Q:

How is the nitrogen taken up by the plants?

I. In the form of inorganic nitrates or nitrites
II. In the form of organic compounds
III. Directly taken up from the atmosphere

A) Only I and II	B) Only I and III
C) Only II and III	D) All I, II and III

Answer & Explanation Answer: A) Only I and II

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

1 16187

Q:

Rearrange the parts of the sentence in correct order.

No democracy

P-can survive without the
Q-philosophical imagination
R-roots of such an ethical and

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 16178

Q:

Syadvada was the fundamental basis of which religion?

A) Buddhism	B) Jainism
C) Vaishnavism	D) Shaivism

Answer & Explanation Answer: B) Jainism

Explanation:

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Filed Under: Indian History
Exam Prep: Bank Exams

1 16166

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 16163

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