Exams


Q:

Place these hydrocarbons in order of decreasing boiling point.

1. Paraffin

2. Octadecane

3. Hexane

4. Neohexane and

5. Ethane

A) Paraffin > Octadecane > Neohexane > Hexane > Ethane B) Paraffin > Octadecane > Hexane > Neohexane > Ethane
C) Hexane > Paraffin > Octadecane > Neohexane > Ethane D) None of the above
 
Answer & Explanation Answer: B) Paraffin > Octadecane > Hexane > Neohexane > Ethane

Explanation:

In hydrocarbon, the boiling point directly varies with the length of carbon chain. On increasing the number of carbon atom, the boiling point of the compound also increases. Paraffin contains highest number of carbon atoms whereas, ethane is comprised of two carbon atoms.

 

The decreasing order of boiling point of mention compounds is written as follows:

Paraffin > Octadecane > Hexane > Neohexane > Ethane

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10 115279
Q:

Find the missing number in the following Series ?

18, 97, 26, 91, ? , 83

A) 32 B) 36
C) 30 D) 34
 
Answer & Explanation Answer: D) 34

Explanation:

The given series follows the pattern that,

18, 97, 26, 91, ?, 83

=> 18 + 8 = 26

=> 97 - 8 = 91

=> 26 + 8 = 34

=> 91 - 8 = 83

Hence, the missing number is 34.

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11 114975
Q:

Select the synonym of

preacher

A) atheist B) agnostic
C) evangelist D) pagan
 
Answer & Explanation Answer: D) pagan

Explanation:
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Filed Under: English
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0 114644
Q:

Select the related word/letters/number from the given alternatives.

Sachin Tendulkar : Cricket : : Roger Federer : ?

A) Lawn Tennis B) Football
C) Basket Ball D) Volley Ball
 
Answer & Explanation Answer: A) Lawn Tennis

Explanation:
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2 113945
Q:

One word substitution:

Commencement of words with the same letter.

A) Alliteration B) Oxymoron
C) Pun D) Transferred epithet
 
Answer & Explanation Answer: A) Alliteration

Explanation:

Alliteration is the one-word substitute for Commencement of words with the same letter.

 

Alliteration is a figure of speech which is identified as the occurrence of the same letter or sound at the beginning of adjacent or closely connected words.

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26 113936
Q:

Choose the word which is nearest in meaning to the given word:-

Debilitate

A) Weaken B) Attack
C) Surmount D) Destroy
 
Answer & Explanation Answer: A) Weaken

Explanation:

Debilitate means make someone very weakSurmount means overcomeSo, Debilitate is nearest in meaning to weaken

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Q:

Select the antonym of

 

provision

 

A) removal B) cater
C) plan D) stock
 
Answer & Explanation Answer: A) removal

Explanation:
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0 113500
Q:

Saturated carbon compounds can form which types of chain structures?

 

I. Straight chain

II. Branched chain

 

A) Only I B) Only II
C) Neither I nor II   D) Both I and II
 
Answer & Explanation Answer: D) Both I and II

Explanation:
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