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:

In the following question, sentence given with blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

 

Expectant mothers are more ____________ to lung damage due to smoking.

A) vulnerable B) disposed
C) sensitive D) affected
 
Answer & Explanation Answer: A) vulnerable

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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Q:

In the following question, out of the four alternatives, choose the one which can be substituted for the given words/sentence.

 

A mixture of dried, naturally fragrant plant material, used to provide a gentle natural scent inside buildings, especially in residential settings.

A) potpourri B) perfume
C) scent D) aroma
 
Answer & Explanation Answer: A) potpourri

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:

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.


A saint or a satyagrahi is often put on a ___________, freezing her acts of goodness in time. Goodness acquires an act of fixed quality __________ in amber. Rather than _____________ a living creature, a saint or an icon becomes a hoarding, a permanent spectacle or a redundant quotation. Saintliness or heroism becomes a bundle of pictures in a calendar, a statue __________ inflexibly. Goodness becomes a stencil fixed _________ time.


A saint or a satyagrahi is often put on a ___________

A) pedestal B) platform
C) plinth D) podium
 
Answer & Explanation Answer: A) pedestal

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.


A saint or a satyagrahi is often put on a ___________, freezing her acts of goodness in time. Goodness acquires an act of fixed quality __________ in amber. Rather than _____________ a living creature, a saint or an icon becomes a hoarding, a permanent spectacle or a redundant quotation. Saintliness or heroism becomes a bundle of pictures in a calendar, a statue __________ inflexibly. Goodness becomes a stencil fixed _________ time.


Rather than _____________ a living creature

A) being B) having been
C) had been D) becoming
 
Answer & Explanation Answer: D) becoming

Explanation:
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