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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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Q:

Of the following, the town does not come within the National Capital Region(NCR) is

A) Panipat B) Rohtak
C) Khurja D) Mathura
 
Answer & Explanation Answer: D) Mathura

Explanation:
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Filed Under: Indian Politics

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Q:

Select the antonym of

 

to jostle

 

A) to scramble B) to shove
C) to eschew D) to hustle
 
Answer & Explanation Answer: C) to eschew

Explanation:
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Q:

Blue litmus paper is converted into red in solution of _______

A) Acid B) Base
C) Alkali D) Salt
 
Answer & Explanation Answer: A) Acid

Explanation:
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Q:

1 kWh = __________ × 106J.

 

A) 36 B)  3.6  
C) 6.4   D) 64
 
Answer & Explanation Answer: B)  3.6  

Explanation:
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Q:

The Sunga ruler Bhaga erected a monolithic 'Garuda' at  

A) Varanasi B) Besnagar
C) Rajagriha D) Pataliputra
 
Answer & Explanation Answer: B) Besnagar

Explanation:
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Filed Under: Indian History

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Q:

Mohammed Azharuddin, former Indian Cricket Team Captain, represents ...........Constituency of Uttar Pradesh in the Lok Sabha,

A) Mirzapur B) Moradabad
C) Meerut D) Mathura
 
Answer & Explanation Answer: B) Moradabad

Explanation:
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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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