AIEEE Questions

Q:

Covalent bonds are formed when electrons are

A) Transfer of electrons B) Sharing of electrons
C) Dividing of electrons D) All of the above
 
Answer & Explanation Answer: B) Sharing of electrons

Explanation:

Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell. By sharing their outer most (valence) electrons, atoms can fill up their outer electron shell and gain stability.

 

Examples of compounds with covalent bonds ::

HCl, CO2, O2,... 

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Q:

The principal quantum number indicates what property of an electron?

A) energy of electron B) distance of electron from nucleus
C) both a & b D) number of subshells
 
Answer & Explanation Answer: C) both a & b

Explanation:

The principal quantum number is the property of an electron which determines the energy of electron and the distance of electron from the nucleus of an atom.

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Q:

Which of the following are physical signs of stress?

A) tense muscles B) aches
C) loss of sexual desire D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Physical signs of stress include Frequent colds and infections, aches, pains and tense muscles, stomach upset, loss of sexual desire, etc...

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Q:

Group 7A of the periodic table contains the

A) most reactive metals B) least reactive non metals
C) most reactive non metals D) least reactive metals
 
Answer & Explanation Answer: C) most reactive non metals

Explanation:
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Q:

Which of the following elements has the lowest melting point?

A) Chromium B) Hydrogen
C) Zinc D) Silver
 
Answer & Explanation Answer: B) Hydrogen

Explanation:
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Q:

Which country ropes in space technology to track border management?

A) Russia B) Japan
C) India D) China
 
Answer & Explanation Answer: C) India

Explanation:

India ropes in space technology to track border management.

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Q:

Raju walks 4 km towards East. Then. he turns left and walks another 3 km. In which direction and at what distance is he from his initial position?

A) South-West, 5 km B) North-East, 5 km
C) South-East, 5 km D) North-West, 5 km
 
Answer & Explanation Answer: B) North-East, 5 km

Explanation:
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Q:

The Chief Financial Officer for a city is called the

A) City Controller B) Mayor Council
C) Concil Manager D) None of the above
 
Answer & Explanation Answer: A) City Controller

Explanation:

The Chief Financial Officer for a city is called the City Controller.

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