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.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

41 16195

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:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

92 16175

Q:

Which of the following is a storage device?

A) Floppy discs	B) hard disk drive
C) Optical disc	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Which_of_the_following_is_a_storage_device1554210303.jpg image

All of the above given options are storage devices.

Report Error

View Answer Report Error Discuss

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

37 16174

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:

$∆ s = n R \ln \frac{v 2}{v 1}$

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

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE

43 16165

Q:

Rearrange the parts of the sentence in correct order.

Of these,

P-mostly two have proved
Q-to be bones of contention
R-between the two parties

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

Answer & Explanation Answer: D) PQR

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: Bank Exams

0 16152

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

Report Error

View Answer Report Error Discuss

Filed Under: Indian Politics
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

25 16142

Q:

Rearrange the parts of the sentence in correct order.

Echolocating bats

P : emit sounds in patterns that

Q : and constant-frequency (CF) signals

R : contain both frequency modulated (FM)

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

Answer & Explanation Answer: B) PRQ

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: Bank Exams

0 16141

Q:

Choose the correctly spelt word

Can you the car into that parking spot?

A) Manuer	B) Manever
C) Manoeuvre	D) Manuver

Answer & Explanation Answer: C) Manoeuvre

Explanation:

Manoeuvre is correctly spelt which means series of moves requiring skill and care.

Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: Bank Exams

0 16126

Questions

Quick Links