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 16204

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 16197

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 16194

Q:

Improve the bracketed part of the sentence.

Grandfather has said so out of affection, do not take (to) heart.

A) into	B) it to
C) it by	D) no improvement

Answer & Explanation Answer: B) it to

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 16175

Q:

Select the antonym of

veracity

A) deceit	B) condor
C) probity	D) rectitude

Answer & Explanation Answer: A) deceit

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 16171

Q:

Improve the bracketed part of the sentence.

In an industry where programmers search in (vain) for fresh ideas, it is no wonder that attention spans are short and cliche is king.

A) vein	B) wain
C) wane	D) No improvement

Answer & Explanation Answer: D) No improvement

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 16171

Q:

A rich man needs seven letter word which is with the poor?

Answer

A rich man needs a seven letters word NOTHING which with poor.

Workspace

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO

76 16171

Q:

Improve the bracketed part of the sentence.

The air hostess gave me a cup (which had) coffee.

A) containing	B) filled with
C) of	D) no improvement

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