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Q:

What causes brownian motion in colloids?

A) coagulation of particles and the dispersed phase B) erratic flashes of light
C) molecules of the dispersion medium colliding with dispersed phase particles D) All the above
 
Answer & Explanation Answer: C) molecules of the dispersion medium colliding with dispersed phase particles

Explanation:

When their is a colloid in the solution, then it will show the Brownian movement, such as dust particle in the air will show the Brownian movement.

 

Hence, Brownian movement arises due to the impact of the molecules of the dispersion medium with the colloidal particles. It has been postulated that the impact of the molecules of dispersion medium on the colloidal particles are unequal.

 

This leads to the zig-zag (random) motion of the colloidal particles.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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Q:

Can you solve this riddle?

A) 1 B) 3
C) 5 D) 0
 
Answer & Explanation Answer: A) 1

Explanation:

5 + 5 = 10

5x 2 + 2 = 12

5 x 2 - 1 x 5 = 5

 

Hence, ∆ = 1.

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Filed Under: Math Puzzles
Exam Prep: CAT , Bank Exams

20 7826
Q:

Peace, discipline, freedom and equality are all examples of

peace_discipline_freedom_and_equality_are_all_examples_of1538653767.jpg image

A) Democratic values B) Resolutions
C) Myths D) Settings
 
Answer & Explanation Answer: A) Democratic values

Explanation:

Peace, discipline, freedom and equality are all examples of human values or democratic values which all the people want to be in them for society.

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Filed Under: Indian Politics
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4 7823
Q:

The Trans-Siberian Railway(8960 km) connects ____ in the west to ____ in the East.

A) Moscow, Tashkent B) St. Petersburg, Omsk
C) Moscow, Irkutsk D) St. Petersburg, Vladivostok
 
Answer & Explanation Answer: D) St. Petersburg, Vladivostok

Explanation:
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Filed Under: General Awareness

30 7821
Q:

Merdeka cup is associated with

A) Badminton B) Tennis
C) Football D) Hockey
 
Answer & Explanation Answer: C) Football

Explanation:

Merdeka cup is associated with Football in Indonesia.

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Filed Under: General Awareness
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5 7816
Q:

Which Indian Community celebrates the Khordad sal

A) Sikh B) Jain
C) Hindu D) Parsi
 
Answer & Explanation Answer: D) Parsi

Explanation:
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Filed Under: Indian Culture

124 7813
Q:

Which vehicle is spelled the same forwards and backwards?

Answer

RACECAR.

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Subject: Word Puzzles Exam Prep: Bank Exams

53 7811
Q:

The Satpura range situated between two west flowing rivers. They are

A) Narmada and Luni B) Narmada and Tapi
C) Tapi and Mahi D) Mahi and Luni
 
Answer & Explanation Answer: B) Narmada and Tapi

Explanation:

Aravalli seperates the valleys of Luni and Mahi while Vindhyas seperate the valleys of Mahi and Narmada

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Filed Under: Indian Geography

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