Questions

Q:

Which sample of matter is a mixture?

A) KBr (S) B) NaCl (L)
C) K (S) D) NaCl (Aq)
 
Answer & Explanation Answer: D) NaCl (Aq)

Explanation:

Mixtures are combination of two or more substances physically which can be separated in to the original.

Matter can be breakdown into two categories. 

1) Pure substances 

2) Mixtures

 

Here in the given options, options A, B, C are pure substances as they are indicated as S & L in brackets. Option D) is an aqueous solution, that can be dissolved in water.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

7 7569
Q:

In a certain city, 5% of all the persons in town have unlisted phone numbers. If you select 100 names at random from that city's phone directory, how many people selected will have unlisted phone numbers?

Answer

  Zero. You are selecting names from the list, so they are all listed.

Report Error

View answer Workspace Report Error Discuss

Subject: Math Puzzles

6 7569
Q:

Which of the following has the highest entropy?

A) Hydrogen B) Diamond
C) Liquid nitrogen D) Mercury
 
Answer & Explanation Answer: A) Hydrogen

Explanation:

Entropy is a measure of disorder . It will be maximum in gases followed by liquids and least in solids.

 

Hence, here the gas is only hydrogen and it has the highest entropy.

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

8 7562
Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

People are now either exposed to the very best of their inner circle and the world, ________ to the worst — articles that look to shock, to provoke rage and put a lens on everything that is wrong _________ the world. Imperceptibly, it goes unsaid that often __________ pieces of ‘news’ fail to actually provide a constructive solution. The effect of such a disparity _________ to the same effect as news of TV and newspapers — a feeling that what we see does not ____________ our lives.

 


we see does not ____________ our lives.

 

A) reflects B) reflective
C)  reflection D)  reflect
 
Answer & Explanation Answer: D)  reflect

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: Bank Exams

63 7561
Q:

The Administrative council os shivaji was known as 

A) Parishad B) Mantri Parishad
C) Ashta Pradhan D) Rajya Parishad
 
Answer & Explanation Answer: C) Ashta Pradhan

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian History

10 7560
Q:

In 1991 the Soviet Union collapsed MAINLY because

A) the United States was a better country and capitalism ruled the world. B) a civil war erupted in the southern republics.
C) years of economic stagnation left it far behind Western and Asian countries. D) key Soviet leaders were assassinated.
 
Answer & Explanation Answer: B) a civil war erupted in the southern republics.

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: World History
Exam Prep: Bank Exams

7 7558
Q:

Which of the following animals was not native to India?

A) Rhinoceros B) Tiger
C) Horse D) Elephant
 
Answer & Explanation Answer: C) Horse

Explanation:
Report Error

View Answer Report Error Discuss

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

11 7556
Q:

A device used for the measurement of radioactivity is

A) mass spectrometer B) cyclotron
C) nuclear reactor D) G.M.counter
 
Answer & Explanation Answer: D) G.M.counter

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

13 7552