Questions

Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero. B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1. D) Hydrogen can have more than one oxidation number.
 
Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Q:

Which of the following is NOT a radioactive element?

A) Uranium B) Plutonium
C) Titanium D) Thorium
 
Answer & Explanation Answer: C) Titanium

Explanation:
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
On Sundays (1)/ I prefer reading (2)/ than going out visiting my friends. (3)/ No Error (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

Explanation:
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Q:

__________ of an input is defined as the change in output per unit of change in the input when all other inputs are held constant.

A) Marginal product B) Production function
C) Total product D) Average product
 
Answer & Explanation Answer: A) Marginal product

Explanation:
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Q:

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the buttoncorresponding to it. If the sentence is free from error, click the "No error" option.

There was a (A)/ comparison between (B)/ you and he (C)/ no error (D)

A) A B) B
C) C D) D
 
Answer & Explanation Answer: C) C

Explanation:
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Q:

The sigmoid colon is a part of

A) Small Intestine B) Large Intestine
C) Pharynx D) Rectum
 
Answer & Explanation Answer: B) Large Intestine

Explanation:
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

 

the action of making amends for a wrong one has done

 

A) reparation B) extortion
C) reclamation D) retrieval
 
Answer & Explanation Answer: A) reparation

Explanation:
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Q:

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

 

The doctor said to us, “Where are you going?”

 

A) The doctor enquired where we were going B) The doctor enquired about our destination
C) The doctor said where are we going D) The doctor says where we going
 
Answer & Explanation Answer: A) The doctor enquired where we were going

Explanation:
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