Questions

Q:

What element is used in bright flashing advertising signs?

A) Neon B) Helium
C) Mercury D) Radon
 
Answer & Explanation Answer: A) Neon

Explanation:

Neon is the element that is used in bright flashing advertising signs as Neon particulary gives bright color.

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Q:

Harmful bacteria in drinking water cannot be destroyed by 

A) Chlorination B) boiling
C) adding caustic soda D) ozonisation
 
Answer & Explanation Answer: C) adding caustic soda

Explanation:

Water containing caustic soda cannot be used for drinking

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Filed Under: Chemistry

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Q:

Communication by touch is called

 

A) Haptics communication B) Proxemics communication
C) Semantics communication D) Chronemics communication
 
Answer & Explanation Answer: A) Haptics communication

Explanation:

Communication by touch is called Haptics communication and the study of this is called as Haptics.

 

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Q:

Which of the following refers to the fastest, biggest, and most expansive computer?

A) Personal computer B) Super computer
C) Laptop D) None of these
 
Answer & Explanation Answer: B) Super computer

Explanation:
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Q:

The oldest known organic compound is

A) Urea B) Methane
C) Acetic acid D) Benzene
 
Answer & Explanation Answer: C) Acetic acid

Explanation:

In the form of vinegar, acetic acid is known from very early times. It is got by oxidation of fermented liquors (10-15%, alcohol) by air under the influence of a bacteria called 'mycoderma acetic'

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Q:

Improve the bracketed part of the sentence.

My mother opened the parcel without (worrying) to read the address on it.

 

A) doubting B) bothering
C) fearing D) no improvement
 
Answer & Explanation Answer: B) bothering

Explanation:
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Q:

The antiseptic compound present in dettol is

A) Biothional B) Cresol
C) Iodine D) Enloroxylenol
 
Answer & Explanation Answer: D) Enloroxylenol

Explanation:

The antiseptic compound present in dettol is Enloroxylenol.

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Q:

Digitized information can be used by computers.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

TRUE. The computers and electronic devices use digitized information which is easily understood by them.


 


Digitization is the process of converting analog signals or information of any form into a digital format that can be understood by computer systems or electronic devices. The term is used when converting information, like text, images or voices, and sounds, into binary code.

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