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Q:

Which statement best describes an O3 molecule?

A) The double bond in ozone switches back and forth between the two outer oxygen atoms B) An ozone molecule contains one single bond and one double bond
C) Each atom in ozone is connected to another atom by 1.5 bonds. D) None
 
Answer & Explanation Answer: B) An ozone molecule contains one single bond and one double bond

Explanation:

Ozone molecule has one single bond and one double bond.

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Filed Under: General Science
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Q:

Every inductive argument is __________.

 

A) a comparison of two sets of events, ideas, and things B) based on rules, definitions, and principles
C) either valid or sound D) either invalid or unsound
 
Answer & Explanation Answer: A) a comparison of two sets of events, ideas, and things

Explanation:
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Q:

Which one of the following is not radioactive

A) Astanine B) Francium
C) Tritium D) Zirconium
 
Answer & Explanation Answer: D) Zirconium

Explanation:
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Filed Under: Chemistry

13 6944
Q:

The lines joining the place of equal intensity of seismic waves are known as

A) Seisimice line B) Isoseisimic line
C) Isogonal line D) Isogonic line
 
Answer & Explanation Answer: B) Isoseisimic line

Explanation:
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Filed Under: World Geography

7 6940
Q:

Ankara is the capital of which country?

A) Uruguay B) Turkey
C) Uganda D) Vanuatu
 
Answer & Explanation Answer: B) Turkey

Explanation:
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Filed Under: Country Capitals

80 6938
Q:

Select the synonym of

rendezvous

A) tryst B) dispersal
C) rift D) split
 
Answer & Explanation Answer: A) tryst

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 6929
Q:

The himalayas are approximately ______ kilometer broad 

A) 150 to 400 B) 200 to 400
C) 150 to 300 D) 250 to 500
 
Answer & Explanation Answer: A) 150 to 400

Explanation:
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Filed Under: Indian Geography

19 6927
Q:

Which compound contains both ionic and covalent bonds?

A) NaNO3 B) CaSO4
C) NH4Cl D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Here all the given compounds have both ionic and covalent bonds.

 

NaNO3 - In Sodium nitrate, Nitrate is covalently bonded as nitrogen is bonded with 3 oxygen atoms. And this nitrate is ionically bonded with sodium.

 

CaSO4 - In Calcium sulphate, sulphate is covalently bonded as sulphur is bonded with 4 oxygen atoms. And this sulphate is ionically bonded with calcium.

 

NH4Cl - In Ammonium chloride, ammonium is covalently bonded as nitrogen is bonded with 4 hydrogen atoms. And this ammonium is ionically bonded with chlorine.

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Filed Under: Chemistry
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