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Q:

Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of :

A) An acetylenic triple bond B) Two ethylenic double bonds
C) A vinyl group D) An isopropyl group
 
Answer & Explanation Answer: C) A vinyl group

Explanation:

C=}CH2→OzonolysisHCHO

Vinylic group.

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Filed Under: Chemistry
Exam Prep: AIEEE

3 5410
Q:

Solve The Logical Number Puzzle?

A) 72 B) 76
C) 84 D) 90
 
Answer & Explanation Answer: D) 90

Explanation:

The logic in the given puzzle is 

4 + 4 = 4 * 4+1 = 4 * 5 = 20

5 + 5 = 5 * 5+1 = 5 * 6 = 30

6 + 6 = 6 * 6+1 = 6 * 7 = 42

7 + 7 = 7 * 7+1 = 7 * 8 = 56

Similarly

9 + 9 = 9 * 9+1 = 9 * 10 = 90.

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Filed Under: Number Puzzles
Exam Prep: CAT , Bank Exams , AIEEE

35 5407
Q:

Which among the following is a Vitamin?

A) Citric acid B) Follic acid
C) Glutonic acid D) none
 
Answer & Explanation Answer: B) Follic acid

Explanation:
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Filed Under: Biology

9 5406
Q:

Who among the following was elected unanimously as the Secretary General of the UNO  for the second term?

A) Nelson Mandela B) Hillary R Clinton
C) Jacob Mathew D) Bank-Ki moon
 
Answer & Explanation Answer: D) Bank-Ki moon

Explanation:
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Filed Under: General Awareness

3 5406
Q:

Why was the Simon Commission boycotted by Indians?

Answer

Because it was made up of Britishers.

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Subject: World History

18 5404
Q:

Who among the following was an aminent painter

A) Sarada Ukil B) Uday Shankar
C) V.Shanta Ram D) Yusuf Meherally
 
Answer & Explanation Answer: A) Sarada Ukil

Explanation:
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Filed Under: Famous Personalities

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Q:

In 1689, which chief of the Maratha Navy effectively controlled the Konkam trade from his headquarters at Kolaba?

Answer

Kanhoji Angre

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Subject: General Awareness

1 5400
Q:

Which of these is not a simple machine?

A) a pair of scissors B) a lever
C) a ramp D) the pulley
 
Answer & Explanation Answer: A) a pair of scissors

Explanation:

Any of the basic mechanical devices for applying a force are called simple machines.

There are 6 basic simple machines; the lever, the wheel and axle, the inclined plane, the wedge, the pulley, and the screw. Several of these simple machines are related to each other. But, each has a specific purpose in the world of doing work.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration

16 5398