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:

The maximum number of electrons that can be accommodated in M shell is

A) 8 B) 2
C) 18 D) 32
 
Answer & Explanation Answer: C) 18

Explanation:
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Q:

If Metal A displaces Metal B from its solution, then Metal A ____.

A) is more reactive than B B) is less reactive than B
C) is heavier than B D) has the same reactivity as B
 
Answer & Explanation Answer: A) is more reactive than B

Explanation:
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Q:

The essential organs in a flower for reproduction are

A) the stamen and pistil B) the sepal and stamen
C) the sepal and petal D) the petal and pistil
 
Answer & Explanation Answer: A) the stamen and pistil

Explanation:
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Q:

The second equation of motion gives the relation between

A) Velocity and time B) Position and velocity
C) Position and time D) Velocity and acceleration
 
Answer & Explanation Answer: C) Position and time

Explanation:
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Q:

In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.

 

Whether we realise or not we are continuously making choices every moment of our lives.

A) comprehensively B) comparatively
C) constantly D) No improvement
 
Answer & Explanation Answer: C) constantly

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.


To begin______, let us ask ___________ such an appellation, assuming it has only positive___________, was ever deserved in a city like Bengaluru. At the risk__________ earning the well-shaped wrath of fellow Bengalureans, let me explain that______ for a "peacefull" past apart, it would be difficult to assert that "Asia's Silicon Valley" had even a history of toleration of difference.


To begin______,

A) for B) so
C) with D) thus
 
Answer & Explanation Answer: C) with

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'.

 

The temple is(A)/within a hundred yards(B)/from my house(C)/No error(D)

 

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

Explanation:
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