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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Filed Under: Chemistry
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Q:

By volume, 78% of air is _______________

A) nitrogen	B) oxygen
C) hydrogen	D) helium

Answer & Explanation Answer: A) nitrogen

Explanation:

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Filed Under: Chemistry
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Q:

In the following question, sentence given with blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Unchecked industrial effluents discharging into the rivers has caused ______________ damage to the environment.

A) uncontrollable	B) disproportionate
C) infinite	D) incalculable

Answer & Explanation Answer: D) incalculable

Explanation:

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Q:

Which country was designated as the major defence partner of USA in December, 2016?

A) Canada	B) Israel
C) India	D) United Kingdom

Answer & Explanation Answer: C) India

Explanation:

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Filed Under: General Awareness
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Q:

Who has been appointed as the Secretary General of the United Nations in January, 2017?

A) Ban Ki-Moon	B) Kofi Annan
C) Boutros-Boutros Ghali	D) Antonio Guterres

Answer & Explanation Answer: D) Antonio Guterres

Explanation:

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Q:

Where in China is the Forbidden city located?

A) Guilin	B) Beijing
C) Shanghai	D) Guanzho

Answer & Explanation Answer: B) Beijing

Explanation:

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Filed Under: World Geography
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Q:

Salination of soil is caused by

A) Pesticides	B) soil erosion
C) excess irrigation	D) crop rotation

Answer & Explanation Answer: C) excess irrigation

Explanation:

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Filed Under: General Science
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Q:

President of India can be removed from his office by

A) Prime Minister of India	B) Chief Justice of India
C) Parliament	D) Lok Sabha

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