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Q:

Which of the following is a property of an acid?

 

A) Acids reacts with metals B) Acids taste sour
C) Acids turn blue litmus paper red D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

The general properties of acids are as follows :-

1.They are sour to taste.

2.They turn blue litmus paper red but the red litmus paper have no effect of acids and it remains unaffected.

3.They release hydrogen ions H+ in the solution medium, making the conditions acidic.

 

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 7932
Q:

Which of the following is the most stable carbocation?

Screenshot_(8)1522302473.png image

A) 4 B) 3
C) 2 D) 1
 
Answer & Explanation Answer: C) 2

Explanation:

Here the most stable carbocation is the option (2).

 

Carbocations are always hungry for electrons. The stability of carbocations increases from primary to secondary to tertiary. Here, option (c) shows the most stable carbocation because it can easily withdraw electrons from two other carbon atoms and the more electronegative oxygen atom.

 

Carbocation stability depends on hyperconjugation. The tertiary carbocation is stabilized by electron releasing inductive effect.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
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12 7926
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.


_______________ includes nuclear materials used in nuclear weapons”

 

A) which B) that
C) those D) who
 
Answer & Explanation Answer: A) which

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

1 7924
Q:

The 'noble tradition' was related to which of the following the dynasties?

 

A) Pal B) Pratihara
C) Rashtrakuta D) Sen
 
Answer & Explanation Answer: D) Sen

Explanation:
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Filed Under: Indian History
Exam Prep: Bank Exams

1 7920
Q:

Michael Jackson was a distinguished personality in which of the following fields

A) Journalism B) Acting
C) Pop Music D) Sports
 
Answer & Explanation Answer: C) Pop Music

Explanation:
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Filed Under: Famous Personalities

10 7917
Q:

which of the following physical quantity is dimensionless

A) angle B) strain
C) specific gravity D) all of these
 
Answer & Explanation Answer: D) all of these

Explanation:
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Filed Under: Physics

21 7917
Q:

Which of the following could be digital input devices for computers?

A) Digital camcorder B) Microphone
C) Scanner D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Filed Under: Computer

40 7908
Q:

India is the seventh largest country in the world and it covers a total area of approximately________

A) 2700000 sq.km B) 3000000 sq.km
C) 3200000 sq.km D) 3600000 sq.km
 
Answer & Explanation Answer: C) 3200000 sq.km

Explanation:
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Filed Under: Indian Geography

10 7907