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:

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one, which best expresses the same sentence in Passive/Active voice.

Dark clouds have overcast the evening sky.

A) By the dark clouds the evening sky was overcast. B) The evening sky has been overcast by the dark clouds.
C) Dark clouds overcastted the evening sky. D) The sky of the evening was overcasted by dark clouds.
 
Answer & Explanation Answer: B) The evening sky has been overcast by the dark clouds.

Explanation:
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Q:

which of the following is smallest river in india ?

A) Indus B) Godavari
C) Arvari D) Ganga
 
Answer & Explanation Answer: C) Arvari

Explanation:

Arvari river is a small river in the Indian state of Rajasthan. It just have 90 km of length and it also consider as the smallest river of India and flows through the Arvari District of Rajasthan

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Q:

Rearrange the parts of the sentence in correct order.
In Tamil nadu,
P-cows and bulls are worshipped and celebrated
Q-on Maattu Pongal,
R-and the finale is Jallikattu

A) QRP B) QPR
C) PRQ D) RPQ
 
Answer & Explanation Answer: B) QPR

Explanation:
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Q:

Improve the bracketed part of the sentence.
Shouts of the crowd cheering the home team now (stuff) the air.

A) fill B) occupy
C) infest D) no improvement
 
Answer & Explanation Answer: A) fill

Explanation:
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Q:

Select the word with the correct spelling.

A) adendum B) atlantise
C) inovate D) abseiled
 
Answer & Explanation Answer: D) abseiled

Explanation:
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Q:

In a concentrated solution there is

A) no solute B) a large amount of solvent
C) no solvent D) a large amount of solute
 
Answer & Explanation Answer: D) a large amount of solute

Explanation:

In a concentrated solution there is a large amount of solute.

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Q:

Who were not confirmed with the India's highest civilian honour Bharat Ratna for 2018?

A) Bhupen Hazarika B) Nanaji Deshmukh
C) Pranab Mukherjee D) Kailash Satyarthi
 
Answer & Explanation Answer: D) Kailash Satyarthi

Explanation:
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