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Q:

As water is cooled from 4 deg C to 0 deg C, its density

A) decreases B) increases
C) remains same D) zero
 
Answer & Explanation Answer: A) decreases

Explanation:

When water is cooled from 4°C to 0°C, its density decreases.

 

When water cools from 4°C to 0°C, ice crystals begin to form because the water is approaching its freezing point. When water freezes, the water molecules form a lattice that increases the volume. As a result, the density decreases. This is why ice will float on top of water; ice has a lower density than the water.

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Filed Under: General Science
Exam Prep: Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 2011
Q:

Credit of developing polio vaccine goes to

A) J.L. Baird B) Selman Waksman
C) Both A & B D) Jones Salk
 
Answer & Explanation Answer: D) Jones Salk

Explanation:
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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

2 2011
Q:

Which among the following is not a dwarf planet?

A) Mars B) Makemake
C) Pluto D) Eris
 
Answer & Explanation Answer: A) Mars

Explanation:
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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT

1 2011
Q:

Which of the following may cause the breakdown of pyruvate into lactic acid in our muscles?

A) Lack of water B) Lack of Oxygen
C) Lack of carbon dioxide D) Lack of nitrogen  
 
Answer & Explanation Answer: B) Lack of Oxygen

Explanation:
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Filed Under: Biology
Exam Prep: Bank Exams

1 2011
Q:

The relationship between quantity supplied and price is

A) Directly proportional B) Inverselyproportional
C) Can't be determined D) None of the above
 
Answer & Explanation Answer: A) Directly proportional

Explanation:

Price and quantity supplied move in the same direction. As the price decreases, quantity supplied also decreases and viceversa.

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Filed Under: Marketing and Sales
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

0 2011
Q:

The Great wall of China was built in the year

Answer

214 BC

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Subject: World History

2 2010
Q:

What are * and? when using them for wildcards in windows?

Answer

* - any characters, aribitary among


? - single character

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Subject: Hardware

0 2010
Q:

What goes in dry and comes out wet?

Answer

A Bath towel or a tea bag are suitable answers.

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

1 2010