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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Q:

Select the antonym of

discrepant

A) contrary	B) dissonant
C) harmonious	D) variance

Answer & Explanation Answer: C) harmonious

Explanation:

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Q:

Select the antonym of

demon

A) spectre	B) angel
C) shadow	D) zombie

Answer & Explanation Answer: B) angel

Explanation:

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Q:

MS-Word is an example of _____

A) An operating system	B) A processing device
C) Application software	D) An input device

Answer & Explanation Answer: C) Application software

Explanation:

Microsoft Word or MS-Word is an Application software developed by the company Microsoft. It allows users to Type and Save documents.

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Q:

Select the synonym of

ascetic

A) spree	B) austere
C) bacchanal	D) binge

Answer & Explanation Answer: B) austere

Explanation:

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Q:

Select the synonym of

ominous

A) secure	B) auspicious
C) apocalyptic	D) propitious

Answer & Explanation Answer: C) apocalyptic

Explanation:

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Q:

Improve the bracketed part of the sentence.

My brother is indifferent (about) whatever I say.

A) in	B) of
C) to	D) No improvement

Answer & Explanation Answer: C) to

Explanation:

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Q:

Select the antonym of

violation

A) abuse	B) obedience
C) felony	D) crime

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