Questions

Q:

Rearrange the parts of the sentence in correct order.

The art of

P : efforts and practice

Q : fruit of persistent

R : effective presentation is the

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

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Q:

Which of the following is the strongest acid?

A) ClCH2COOH B) BrCH2COOH
C) FCH2COOH D) ICH2COOH
 
Answer & Explanation Answer: C) FCH2COOH

Explanation:

Which_of_the_following_is_the_strongest_acid1552992978.jpg image

FCH2COOH is the strongest acid out of all.

Since the electron withdrawing inductive effect (-I effect) of the halogens decreases in the order of F>Cl> Br> I , therefore the acidic strength of the α- halo acids decreases in the same order.

 

FCH2COOH  >  ClCH2COOH   >   BrCH2COOH   >   ICH2COOH.

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Q:

Pick out the only scalar quantity

A) power B) Electric field
C) magnetic momentum D) average velocity
 
Answer & Explanation Answer: A) power

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Filed Under: Physics

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Q:

An atom can achieve octet by ______.

 

I. sharing electron

II. gaining electron

III. losing electron

 

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

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Filed Under: Chemistry
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Q:

Of the following Kushan Kings who assumed the title " the Lord of the Whole world "?

A) Kadphises I B) Kadphises II
C) Kanishka D) Huvishka
 
Answer & Explanation Answer: B) Kadphises II

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Filed Under: Indian History

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Q:

Which subatomic particle has a negative charge?

 

A) Neutron B) Proton
C) Ion D) Electron
 
Answer & Explanation Answer: D) Electron

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Filed Under: Chemistry
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Q:

Who has scored the most Test hundreds ever

A) Steve Waugh B) Sachin Tendulkar
C) Shane warne D) Sunil Gavaskar
 
Answer & Explanation Answer: B) Sachin Tendulkar

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Filed Under: Sports

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Q:

The upper part of the mantle upon which the crust of the earth floats is called

A) Barysphere B) Mesosphere
C) Mohorovic discontinuity D) Asthenosphere
 
Answer & Explanation Answer: D) Asthenosphere

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Filed Under: World Geography

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