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Q:

Which type of molecule is CF4?

A) nonpolar, with a symmetrical distribution of charge B) polar, with an asymmetrical distribution of charge
C) nonpolar, with an asymmetrical distribution of charge D) polar, with a symmetrical distribution of charge
 
Answer & Explanation Answer: A) nonpolar, with a symmetrical distribution of charge

Explanation:

CF4 is tetrahedral.

Since the four 'F' atoms have the same electronegativity values, there is no bias in electron distribution toward any one.

 

Therefore, electron/charge distribution is symmetrical, which also means that the molecule is nonpolar.

 

Hence, CF4 is nonpolar molecule with a symmetrical distribution of charge.

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Filed Under: Chemistry
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3 5516
Q:

What element behaves most like magnesium?

A) Silicon B) Strontium
C) Sulphur D) Tin
 
Answer & Explanation Answer: B) Strontium

Explanation:

We know that, Elements in the same group of the periodic table have similar characteristics.

Here Magnesium and Strontium shared some similar properties because they both belong to the same group. Sr is the chemical symbol for strontium which is a group two element; it has atomic number of 38. 

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Filed Under: Chemistry
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5 5515
Q:

Epirogenetic movement give rise to

A) Shields B) Plains
C) Volcano D) Fold mountains
 
Answer & Explanation Answer: D) Fold mountains

Explanation:
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Filed Under: World Geography

3 5515
Q:

Atomic theory was devised by

A) Mosley B) John Dalton
C) Daimler D) None of these
 
Answer & Explanation Answer: B) John Dalton

Explanation:
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Filed Under: Inventions

6 5514
Q:

Correct answer for the given blank out of the four alternatives.


The main failings were of conception and a political willingness to settle _________ easy options. _______________ the expansive declarationsof the need "to maintain effective security of all nuclear materials, _______________ includes nuclear materials used in nuclear weapons”, thesummits narrowed their _______________ to civilian holdings __________________ non­nuclear weapon states.


The main failings were of conception and a political willingness to settle _________ easy options.

A) to B) of
C) from D) for
 
Answer & Explanation Answer: D) for

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 5509
Q:

World Red cross day falls on

A) May 3 B) May 8
C) May 10 D) May 11
 
Answer & Explanation Answer: B) May 8

Explanation:
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Filed Under: Important Days and Years

8 5508
Q:

The Famous 'Golconda Fort' is located in which state ?

A) Punjab B) Telangana
C) Goa D) Andhra Pradesh
 
Answer & Explanation Answer: B) Telangana

Explanation:
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Filed Under: Famous Places
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8 5508
Q:

Who founded 'Yoga Shastra' the school of Hindu philosophy

Answer

Patanjali

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Subject: Indian Culture

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