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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:

Rearrange the parts of the sentence in correct order

 

Further negotiations

P-are necessary
Q-to reach a common understanding
R-to enable implementation

 

A) QRP B) RPQ
C) PRQ D) PQR
 
Answer & Explanation Answer: D) PQR

Explanation:
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Exam Prep: Bank Exams

0 7226
Q:

Which of the following statements is true?

The velocity of sound is :

 

A) less in summer than in winter B) same in winter and summer
C) independent of seasons D) more in summer than in winter
 
Answer & Explanation Answer: D) more in summer than in winter

Explanation:
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Q:

Who among the following has not received a Nobel Prize in literature

A) Derek Walcott B) Pablo Neruda
C) Churchill D) Ernest Hemingway
 
Answer & Explanation Answer: C) Churchill

Explanation:
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Q:

The Reserve Bank of India does NOT decide the .........

A) Rate of Repo and Reverse Repo B) Marginal Standing Facility Rates
C) Statutory Liquidity Ratio D) Rate of Dearness Allowance to Govt. Employees
 
Answer & Explanation Answer: D) Rate of Dearness Allowance to Govt. Employees

Explanation:
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Q:

Which element has similar properties to Beryllium?

A) Manganese B) Calcium
C) Both A & B D) Helium
 
Answer & Explanation Answer: B) Calcium

Explanation:

The elements in the same column will have similar properties. Beryllium is the group II element. Group II elements are magnesium, calcium, strontium, barium and radium. Hence, these show the similar prperties.

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Q:

Improve the bracketed part of the sentence.

Virat bats very well, (didn't he)?

A) isn't it B) doesn't he
C) wasn't it D)  no improvement
 
Answer & Explanation Answer: B) doesn't he

Explanation:
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Q:

A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ?

A) Depends on their masses B) Sphere
C) Disk D) Both reach at the same time
 
Answer & Explanation Answer: B) Sphere

Explanation:

Time does not depend on mass, else

T ∞ 1 + k2R2 

 

  k2R2=> is least for 'sphere' and

 

hence least time is taken by sphere.

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