Questions

Q:

Propyne and propene can be distinguished by

A) AgNO₃ in ammonia B) conc. H₂SO₄
C) dil. KMnO₄ D) Br₂ in CCl₄
 
Answer & Explanation Answer: A) AgNO₃ in ammonia

Explanation:

Propene, being an alkene, and propyne, being a alkyne, are distinguished using the common chemical tests namely ammoniacal silver nitrate or ammoniacal cuprous chloride. Ammoniacal silver nitrate is also called as Tollen's reagent.

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Q:

Which of the below options is called a laughing gas?

A) N2O B) CO2
C) H2O D) SO2
 
Answer & Explanation Answer: A) N2O

Explanation:
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Q:

If quantity of good X demanded increases from 4000 units to 5000 units when price of good Y increases from Rs 75 to Rs 90, find Arc Cross elasticity of demand?

A) 0.55 B) 1.66
C) 0.25 D) 1.22
 
Answer & Explanation Answer: D) 1.22

Explanation:
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Q:

Read the sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentence. If the given sentence is correct as it is, the answer is ‘No error’. Ignore the errors of punctuation, if any.

In such delicate matters,/ we often take/ his advice as he has/ been effectively handling such cases for a decade.

A) In such delicate matters B) We often take
C) His advice as he has D) Been effectively handling such cases for a decade
 
Answer & Explanation Answer:

Explanation:

There is no error in the sentence.

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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

Living as _________ educated individual in a free society, I felt that we continue to unknowingly hold some biases that we develop _________ time. It requires many maturity updates to install in your psychological system, and at ___________ conscious efforts to develop a good sense of __________. I was small at that time, but with age and experience I absolutely _____________ and approved each and every word my uncle had said that day.

 

a good sense of __________. I was small

 

 

A) judge B) judgment
C) judgments D) judgemental  
 
Answer & Explanation Answer: B) judgment

Explanation:
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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

All of us have admired some writers, ______________ their work over that of others for their writing style as much as for the content of their work. ____________ writer who has, for more than half a century, _______________ for his searing honesty is George Orwell. He is recondite, but he is never ________________. He says it as it is and yet says it as it has not been said ____________.

 

He says it as it is and yet says it as it has not been said ____________.

 

A) after B) later
C) before D) since
 
Answer & Explanation Answer: C) before

Explanation:
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Q:

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.


Targeting inflation comes from a belief that policy should be _________ and transparent, so that the private sector can factor this ___________ their decision-making. The question that this ________ is: are there more "complicated" policies which _________ better? I just note that one such policy is called "nominal income targeting". _____________ it is more complicated and the private sector is deemed to be intellectually challenged.

are there more "complicated" policies which _________ better?

 

A) have been B) will be
C) were D) are
 
Answer & Explanation Answer: D) are

Explanation:
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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
Evidently it was too
X-of a deadly-looking cobra or
Y-two we saw no reptiles
Z-dry for game, and with the exception

A) YZX B) YXZ
C) XZY D) ZXY
 
Answer & Explanation Answer: D) ZXY

Explanation:
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