Questions

Q:

The electronic dot and cross structure of ethene is ............

 

A) B)
C) D)
 
Answer & Explanation Answer: C)

Explanation:
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Q:

What has teeth but cannot bite?

A) Comb B) Saw
C) Zipper D) Gear
 
Answer & Explanation Answer: A) Comb

Explanation:

Saw, Zipper and Gear have teeth but can bite us. Comb have teeth but cannot bite.

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Q:

Which among the following statements are TRUE regarding synthetic fibre?

 

I. They melt after catching fire.

II. They are more durable.

III. They are prepared by a number of processes using petrochemicals.

 

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: D) All I, II and III

Explanation:
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Q:

Which animal do not make any sound?

Answer

Which_animal_do_not_make_any_sound1541394022.jpg image


Giraffe is the animal that do not make any sound.

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Q:

Which of the following statement(s) about acids is/are CORRECT ?
 
I. They change the color of red litmus to blue.
II. They change the color of blue litmus to red.
III. They have pH value less than 7.
 

A) Only I and III B) Only II and III
C) Only I D) Only II
 
Answer & Explanation Answer: B) Only II and III

Explanation:
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Q:

The process of transferring of charge from a charged object to the earth is called ______________.

 

A) neutralisation B) negation
C) terraforming D) earthing
 
Answer & Explanation Answer: D) earthing

Explanation:
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Q:

L-Dopa is used to treat

 

 

A) Pneumonia B) Alzheimer's disease
C) Parkinson's disease D) Breast cancer
 
Answer & Explanation Answer: C) Parkinson's disease

Explanation:

L-Dopa is used to treat Parkinson's disease.

 

Parkinson's disease is a long-term, degenerative, neurological disease that causes a person to lose control over some body functions.

 

 

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Q:

In which of the following, functional group isomerism is not possible?

 

A) Alcohols B) Aldehydes
C) Alkyl halides D) Cyanides
 
Answer & Explanation Answer: C) Alkyl halides

Explanation:

The haloalkanes (also known as halogenoalkanes or alkyl halides) are a group of chemical compounds derived from alkanes containing one or more halogens.Halogens can’t form more than one bond in the context of common organic compounds and can’t form multiple bonds to carbon.

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