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Q:

Many satellites are placed in orbit in which layer?

A) Thermosphere B) Exosphere
C) Orthosphere D) Stratosphere
 
Answer & Explanation Answer: B) Exosphere

Explanation:
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Filed Under: General Science
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Q:

Cricket is the national game of which country?

A) Australia B) India
C) Canada D) Spain
 
Answer & Explanation Answer: A) Australia

Explanation:

Cricket is the national game of Australia.

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Filed Under: Sports
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Q:

Which of the following helped pottery flourish in Athens?

A) Athenians develoed a new, much faster potter's wheel B) They form a rough circular shape
C) As it is prone to cyclones D) None of the above
 
Answer & Explanation Answer: A) Athenians develoed a new, much faster potter's wheel

Explanation:

Athenians develoed a new, much faster potter's wheel which helped pottery flourish in Athens.

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Filed Under: World History
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Q:

The 'IC' chip, used in computers, is made of

A) Iron Oxide B) Silicon
C) Chomium D) Silica
 
Answer & Explanation Answer: B) Silicon

Explanation:
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Filed Under: Computer
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Q:

Which properties are characteristic of the group 1 metals?

A) Low melting points B) Produce hydrogen when react with water
C) Soft in nature D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Group 1 metals are also called as alkali metals with reactive in nature and low melting points. They are soft and produce hydrogen and alkaline metal hydroxide solution when they react with water.

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Filed Under: Chemistry
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Q:

Which invention allowed computers to be smaller?

A) Integrated Circuits B) RAM
C) Vacuum Tubes D) CPU
 
Answer & Explanation Answer: A) Integrated Circuits

Explanation:

IC's (Integrated Circuits) also called as Chips or Microchips whose invention allowed computers to be smaller and smaller.

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Filed Under: Computer
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Q:

Which of these birds cannot fly?

A) Kiwi B) Penguin
C) Ostrich D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Filed Under: Animals and Birds
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Q:

Which element has the lowest ionization energy?

A) He B) Ne
C) Fr D) Rb
 
Answer & Explanation Answer: C) Fr

Explanation:

Ionisation energy is the energy required to remove one mole of electrons from one mole of gaseous atoms. Atoms are more stable when they have full valence shells.


The ionization energy decreases from top to bottom in groups, and increases from left to right across a period.

 

HGence, in this trend Francium (Fr) has the lowest ionization energy.

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Filed Under: Chemistry
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