Questions

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 statements is INCORRECT?

A) Solids have definite volume  B) solids are rigid 
C) Solids have indefinite shape  D) Solids are almost incompressible
 
Answer & Explanation Answer: C) Solids have indefinite shape 

Explanation:
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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

Explanation:
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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

Explanation:
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Q:

In Microsoft Word, under paragraph formatting ___________ is used to align paragraph on right, left and center.

A) Font style B) Indentation
C) Alignment D) Spacing
 
Answer & Explanation Answer: C) Alignment

Explanation:
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Q:

The commonly used thermometric substance is _____.

A) mineral oil B) Alcohol
C) Mercury D) Petrol
 
Answer & Explanation Answer: C) Mercury

Explanation:
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Q:

In bio fortification technique plant breeders use breeding to overcome

A) Loss due to insect pests B) Decrease in food production
C) Deficiencies of micronutrients and vitamins D) Loss due to plant diseases
 
Answer & Explanation Answer: C) Deficiencies of micronutrients and vitamins

Explanation:
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Q:

In which of the following states is the Dudhwa National Park located?

A) Arunachal Pradesh B) Madhya Pradesh
C) Uttar Pradesh D) Andhra Pradesh
 
Answer & Explanation Answer: C) Uttar Pradesh

Explanation:

The Dudhwa National Park is a national park in the Terai of Uttar Pradesh, India. It is part of the Dudhwa Tiger Reserve.

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