General Knowledge Questions

Q:

Which one of the following is a natural colloid ?

A) Cane sugar solution B) Blood
C) Sodium chloride solution D) Urea solution
 
Answer & Explanation Answer: B) Blood

Explanation:
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Q:

Computer storage units smallest to largest?

Answer

The smallest unit of data storage in a computer is called Bit (Binary Digit). Half a byte (four bits) is called a Nibble.


 


1 bit (binary digit) = the value of 0 or 1


8 bits = 1 byte


1024 bytes = 1 kilobyte


1024 kilobytes = 1 megabyte


1024 megabytes = 1 gigabyte


1024 gigabytes = 1 terabyte


1024 terabytes = 1 petabyte


 


Hence, Computer storage units smallest to largest i.e, in ascending order is


 1 bit  <  1 byte  <  1 KB  <  1 MB  <  1 GB  <  1TB  <  1 PB.

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Q:

The most abundant element in sea water is 

A) Sodium B) Chlorine
C) Magnesium D) Sulphur
 
Answer & Explanation Answer: B) Chlorine

Explanation:

The sea water contains 18.98 parts per thousand of chlorine, 10.56 parts per thousand of sodium  and 1.27 parts per thousand of magnesium.

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Q:

Who was the modern world's first woman head of government ?

A) Indira Gandhi B) Sirimao Bandaru nayake
C) Isabel Peron D) Golda Mayor
 
Answer & Explanation Answer: B) Sirimao Bandaru nayake

Explanation:
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Q:

The combination of operating system and processor in a computer is reffered  to as a computers ________

A) firmware B) specifications
C) minimum requirements D) platform
 
Answer & Explanation Answer: D) platform

Explanation:
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Q:

A ball is thrown vertically upwards. Assuming the air resistance to be constant and cosiderable:

A) the time of ascent < the time of descent B) the time of ascent > the time of descent
C) the time of ascent = the time of descent D) none of these
 
Answer & Explanation Answer: A) the time of ascent < the time of descent

Explanation:
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Q:

Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at –6°C will be: (Kf  for water = 1.86 Kg/mol and molar mass of ethylene glycol = 62 kg/mol)

A) 204.60 g B) 304.30 g
C) 804.32 g D) 400.00 g
 
Answer & Explanation Answer: C) 804.32 g

Explanation:

Tf = kf.m 

for ethylene glycol in aq. solution

 Tf = kf wmol.wt × 1000wt. of solvent6 = 1.86 x w x 100062 x 4000

=> w = 800 g

 

So, the weight of solute should be more than 800 g.

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Q:

In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is

1) A2B5

2) A3B2

3) A2B3

4) A3B4

A) Option 1 B) Option 2
C) Option 3 D) Option 4
 
Answer & Explanation Answer: A) Option 1

Explanation:

 ZA  = 88  ; ZB = 52

So formula of compound is AB52 

i.e., A2B5.

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