Questions

Q:

What happens when one S and one P orbital is hybridized?

A) We get three orbitals in a plane B) We get two orbitals at 180 degrees
C) We get two mutually perpendicular orbitals D) We get four orbitals directed tetrahedrally
 
Answer & Explanation Answer: B) We get two orbitals at 180 degrees

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Filed Under: Chemistry
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Q:

In the reaction H2O2 + Cl2 -----> 2HCl + O2, H2O2 acts as

A) an acid B) an oxidising agent
C) a reducing agent D) a base
 
Answer & Explanation Answer: C) a reducing agent

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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'.


No sooner did the sun rise (1)/ when we resumed the journey (2)/ after having a hasty breakfast. (3)/ No Error (4)

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

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Q:

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

A) If a thing B) is worth doing at all
C) it is worth done well. D) No error
 
Answer & Explanation Answer: C) it is worth done well.

Explanation:

Error is in third part. Since “doing” was used in second part it should be followed by “doing” in third part as well instead of using “done”. Such repetitive figure of speech is used in
English grammar to create emphasis. This sentence indicates that a thing that is worth doing is also worthy of doing well. Here worth is the noun that must be followed by the verb doing.

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Q:

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

A) Of the many problems that confront the leaders of the world B) none are of grave consequence than the problem of saving
C) the normal human race from extinction. D) No error
 
Answer & Explanation Answer: B) none are of grave consequence than the problem of saving

Explanation:

Error is in second part. Replace ‘grave’ with ‘graver’. Since problems are being compared in the given sentence we will use the comparative form of ‘grave’ that is ‘graver’.

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Q:

What was the theme of the Global Entrepreneurship Summit, 2017 organised in Hyderabad?

A) Development for All B) Women First, Prosperity for All
C) Run for Development D) Women's World
 
Answer & Explanation Answer: B) Women First, Prosperity for All

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Q:

From a point on a bridge across the river, the angles of depression of the banks on opposite sides of the river are 30° and 45° respectively. If the bridge is at a height of 2.5m from the banks, then the width of the river is (take √3 = 1.732)

A) 5.83m B) 6.83m
C) 5.76m D) 6.87m
 
Answer & Explanation Answer: B) 6.83m

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Q:

Who among the following is the first Indian female gymnast ever to compete in the Olympics?

A) Bindu Bhosle B) Dipa Kannakar
C) Jyoti More D) Aruna Reddv
 
Answer & Explanation Answer: B) Dipa Kannakar

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