Questions

Q:

Which group 4A element has the highest ionization energy?

A) Silicon B) Tin
C) Lead D) Carbon
 
Answer & Explanation Answer: D) Carbon

Explanation:

As the ionization energies of the elements decreases down the group carbon has got the highest ionization energy in the group being at the top of the group.

Carbon is on the top of the group 4 among the given elements. Hence, Carbon has the highest ionization energy.

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Q:

Gasoline is useful in cars because it has

A) chemical potential energy B) electrical potential energy
C) gravitational potential energy D) kinetic energy
 
Answer & Explanation Answer: A) chemical potential energy

Explanation:

Gasoline is a colorless petroleum-derived flammable liquid that is used primarily as a fuel in spark-ignited internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives. It is also called as Petrol. It has chemical potential energy, in combustion it is turned into light, sound, heat and kinetic energy.

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Q:

Numismatics is the study of

A) Numbers B) Coins
C) Stamps D) None
 
Answer & Explanation Answer: B) Coins

Explanation:

Numismatics is the study or collection of currency, including coins, tokens, paper money, and related objects.

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Q:

Pick out the only vector quantity

A) pressure B) impulse
C) gravitational potential D) co-efficient of friction
 
Answer & Explanation Answer: B) impulse

Explanation:
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Filed Under: Physics

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Q:

Glucose is stored in the human body as

A) Sucrose B) Glycogen
C) Cellulose D) None of the above
 
Answer & Explanation Answer: B) Glycogen

Explanation:

Glucose stored in the form of glycogen in human bodies in the liver and muscles. Excess glycogen is stored as fat cells as liver can store a limited amount of glucose as glycogen.

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Filed Under: General Science
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Q:

A word processor would most likely be used to do

A) do a computer search in media center B) type a biography
C) keep an account of money spent D) maintain an inventory
 
Answer & Explanation Answer: B) type a biography

Explanation:

A_word_processor_would_most_likely_be_used_to_do1556277105.jpg image

 

 A word processor would most likely be used to do type a biography.

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Q:

Incorporation creates a local government and

A) determines who will serve as mayor and council members. B) divides a state into separate counties with their own leaders.
C) manages the court system on the county and city level. D) creates geographic boundaries for villages, towns, and cities.
 
Answer & Explanation Answer: B) divides a state into separate counties with their own leaders.

Explanation:

Incorporation is a legal process that enables the formation of a local government and divides a state into separate counties with their own leaders.

 

The different counties become self governing entities under the laws of the state in which they fall and are given the authority to function as independent units but within the jurisdiction of the state laws.

 

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Q:

Who Invented Elevator Safety Brake ?

A) Alfred Bernhard Nobel B) Elisha Graves Otis
C) Percy LeBaron Spencer D) Garrett Augustus Morgan
 
Answer & Explanation Answer: B) Elisha Graves Otis

Explanation:
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Filed Under: Inventions

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