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Q:

Which are two chemicals used to purify water?

A) Chlorine & Fluorine B) Fluorine & Iodine
C) Chlorine & Hydrogen peroxide D) Fluorine & Iodine
 
Answer & Explanation Answer: C) Chlorine & Hydrogen peroxide

Explanation:

Removing the contaminents if any in the water which causes harm to our health is involved in the purifying of water. 

 

This process involves chemicals. Chloramines, Hydrogen peroxide, Iodine are the chemicals which are used in purifying water.

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Filed Under: Chemistry
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Q:

Van der Waal's equation explains the behaviour of _____

A) Ideal gases B) Real gases
C) Mixture of gases D) Diatomic gases
 
Answer & Explanation Answer: B) Real gases

Explanation:
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Filed Under: Chemistry

15 8534
Q:

In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is 

A) decreased by 2% B) decreased by 4%
C) increased by 2% D) increased by 4%
 
Answer & Explanation Answer: B) decreased by 4%

Explanation:
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Filed Under: Physics

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Q:

The Court language of the Mughals was 

A) Hindiv B) Arabic
C) Persian D) Urdu
 
Answer & Explanation Answer: C) Persian

Explanation:
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Filed Under: Indian Culture

165 8523
Q:

Which freedom fighter was the author of the book "An Introduction of the dreamland" ?

A) Bhagat Singh B) Bal Gangadhar Tilak
C) Vinayak Damodar Savarkar D) Subhas Chandra Bose
 
Answer & Explanation Answer: A) Bhagat Singh

Explanation:
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Filed Under: Books and Authors

17 8522
Q:

Select the antonym of

 

vivified

 

A) invigorated B) revived
C) dull D) animated
 
Answer & Explanation Answer: C) dull

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Unit of solid angle is

A) degree B) radian
C) steradian D) radian second
 
Answer & Explanation Answer: C) steradian

Explanation:
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Filed Under: Physics

20 8519
Q:

Select the antonym of

to scowl

 

A) to glower B) to smirk
C) to grimace D) to grin
 
Answer & Explanation Answer: D) to grin

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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