Q:

Which one of the followingis notan allotrope of carbon?

A) Coal	B) Diamond
C) Graphite	D) Graphene

Answer & Explanation Answer: A) Coal

Explanation:

Allotropy is the property of some chemical elements to exist in two or more different forms, or allotropes, when found in nature. There are several allotropes of carbon like diamond, graphite, graphene, fullerene, etc.Coal is not an allotrope of carbon because it is not 100% carbon. It contains lot of silica, sulphur and other compounds of carbon apart from carbon.

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Q:

Which of the following is a CORRECT statement?

A) Only compounds are pure substance	B) Compounds are impure substance
C) Only elements are pure substance	D) Both compounds and elements are pure substance

Answer & Explanation Answer: D) Both compounds and elements are pure substance

Explanation:

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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement isneeded, select "no improvement".

My daughter (comes running) as fast as her little feet can take her while her eyes sparkle vivaciously

A) comes run	B) come running
C) came run	D) no improvement

Answer & Explanation Answer: D) no improvement

Explanation:

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Q:

Who appoints Chairman of Union Public Service Commission in India?

A) Prime Minister of India	B) Home Minister of India
C) President of India	D) Chief Election Commissioner of India

Answer & Explanation Answer: C) President of India

Explanation:

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Q:

In October 2017, who launched India’s 3rd biggest ‘Initial Public Offering (IPO)’ of Rs 11,370 crore?

A) Reliance Industries Ltd	B) GIC Re
C) Coal India Ltd	D) Infosys

Answer & Explanation Answer: B) GIC Re

Explanation:

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Q:

In which generation of computer was the mechanical language for programming used?

A) First	B) Second
C) Third	D) Fourth

Answer & Explanation Answer: A) First

Explanation:

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Q:

The League of Nations was formed at the end of which war?

A) World War I	B) World War II
C) Gulf War I	D) Gulf War II

Answer & Explanation Answer: A) World War I

Explanation:

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Filed Under: World History
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Q:

X-Rays, which are now used on a day to day basis for diagnosis in medicine, was discovered by?

A) Wilhelm Rontgen	B) Niels Bohr
C) Ernest Rutherford	D) Max Bon

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