Questions

Q:

Rearrange the parts of the sentence in correct order.

They are even poorer
P-failure will deprive
Q-them of jobs altogether
R-than farmers; and crop

A) RPQ B) RQP
C) PQR D) QPR
 
Answer & Explanation Answer: A) RPQ

Explanation:
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Q:

Improve the bracketed part of the sentence.

 

What time are we (going to leave) tomorrow?

A) going to go to leave B) going to be leaving
C) going to have left D) no improvement
 
Answer & Explanation Answer: D) no improvement

Explanation:
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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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Filed Under: Chemistry
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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:

Which component of an IED creates an electrical charge?

A) activator B) fuse
C) explosive D) power source
 
Answer & Explanation Answer: D) power source

Explanation:

The power source such as a Battery of an IED creates an electrical charge.

 

What are IED's ::

An Improvised Explosive Device (IED) is a bomb constructed and deployed in ways other than in conventional military action. It may be constructed of conventional military explosives, such as an artillery shell, attached to a detonating mechanism. IEDs are commonly used as roadside bombs.

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Filed Under: Physics
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10 9083
Q:

Orlon is a polymer of

A) Dacron B) Acrylonitrile
C) Polyamide Nylon D) None of the above
 
Answer & Explanation Answer: B) Acrylonitrile

Explanation:

The monomeric unit of orlon polymer is Acrylonitrile. Orlon is also known as Polyacrylonitrile (PAN). 

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Filed Under: Chemistry
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19 9080
Q:

Which of the following element is NOT a metal?

 

A) Al   B) P  
C) Ca D) K
 
Answer & Explanation Answer: B) P  

Explanation:
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Q:

Among the following animals , the figures of which are found in the state emblem of india?

A) Bull, deer and eagle B) Deer and elephant
C) Elephant, Tiger and Bull D) Horse and Bull
 
Answer & Explanation Answer: D) Horse and Bull

Explanation:

Refer National symbols

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Filed Under: Animals and Birds

39 9078