Q:

On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because ________

A) Mercury is a metal	B) Density of mercury is greater than that of water
C) Cohesion of mercury is greater than its adhesion with glass	D) Cohesion of water is greater than its adhesion with glass

Answer & Explanation Answer: C) Cohesion of mercury is greater than its adhesion with glass

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Q:

The number of free electrons in the outermost shell of carbon atoms in diamand is

A) zero	B) two
C) four	D) three

Answer & Explanation Answer: A) zero

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Q:

The chemical properties of an element depend upon

A) the number of isotopes of the element	B) the mass number of the element
C) the total number of neutrons in the element	D) the number of electrons in the outermost shell of the element

Answer & Explanation Answer: D) the number of electrons in the outermost shell of the element

Explanation:

Chemical properties of an element depend on the number and the configuration of their (valence) electrons.

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Q:

Which of the following allotropes of Carbon is used as a reducing agent in metallurgy?

A) Carbon Black	B) Graphite
C) Charcoal	D) Coke

Answer & Explanation Answer: D) Coke

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Q:

The scientific name of human being is?

A) Homo Nigrum	B) Melongena Sapiens
C) Homo Sapiens	D) Tigris Solanum

Answer & Explanation Answer: C) Homo Sapiens

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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Fair - weather friend

A) Honest only when easy and convenient	B) Truthful only when easy and convenient
C) Supports only when easy and convenient	D) Temporary only when easy and convenient

Answer & Explanation Answer: C) Supports only when easy and convenient

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Q:

How many states of India have sea-shore?

A) 7	B) 8
C) 9	D) 6

Answer & Explanation Answer: C) 9

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Q:

The oldest rockcut architecture is found in ________________.

A) Rajasthan	B) Bihar
C) Karnataka	D) Mizoram

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