Questions

Q:

What is the IUPAC name of [Co(NH3)4Cl2]?

A) Tetra-ammine dichloro cobalt (III) chloride B) Tetra-ammine trichloro cobalt (III)
C) Tri-ammine dichloro cobalt (III) chloride D) Tetra-ammine dichloro cobalt
 
Answer & Explanation Answer: A) Tetra-ammine dichloro cobalt (III) chloride

Explanation:

The IUPAC nomenclature in organic chemistry is a systematic method that is used to name organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC).

 

The IUPAC name of the given complex [Co (NH₃)₄Cl₂ ]Cl is - Tetra-ammine dichloro cobalt (III) chloride.

 

The complex [Co (NH₃)₄ Cl₂ ] Cl ionizes an aqueous solution to furnish the chloride ion Cl⁻ and [Co (NH₃)₄ Cl₂ ] ⁺.

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Q:

Improve the bracketed part of the sentence.

By the end of this decade, doctors surely (must have discover) a cure for cancer.

 

A) would have discovered B) could discover
C) have discovered D) no improvement
 
Answer & Explanation Answer: A) would have discovered

Explanation:
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Q:

A market situation when firms sell similar but not identical products is termed as

 

A) perfect competition B) imperfect competition
C) monopolistic competition D) oligopoly
 
Answer & Explanation Answer: C) monopolistic competition

Explanation:

Monopolistic competition is a type of imperfect competition such that many producers sell products that are differentiated from one another (e.g. by branding or quality) and hence are not perfect substitutes.

In other words, large sellers selling the products that are similar, but not identical and compete with each other on other factors besides price.

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Q:

For any two real numbers a and b.

a-b2+b-a2 is

A) always zero B) never zero
C) positive only if a ≠ b D) positive if an only if a > b
 
Answer & Explanation Answer: C) positive only if a ≠ b

Explanation:
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Q:

Rearrange the parts of the sentence in correct order.

 

But while the defeat made

P-­as it was no longer in currency.
Q-­news, the issue on which
R-­it was based failed to resonate

 

A) RPQ B) RQP
C) PQR D) QRP
 
Answer & Explanation Answer: D) QRP

Explanation:
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Q:

What Is The Study Of Cells Called

A) Cellogysm B) Cytology
C) Cell Biology D) Both B & C
 
Answer & Explanation Answer: D) Both B & C

Explanation:

The branch of biology that studies the different structures and functions of the cell is called Cell Biology or Cytology.

 
Cell biology (formerly called Cytology), is a Greek word: kytos, "vessel" is a branch of biology that studies the different structures and functions of the cell and focuses mainly on the idea of the cell as the basic unit of life.


The cell (from Latin cella, meaning "small room") is the basic



        • Structural,
        • Functional (and) 
        • Biological unit of all known living organisms. 




A cell is the smallest unit of life that can replicate independently, and cells are often called the "building blocks of life". 

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Q:

The ratio of the total distance travelled by a body to the total time taken by it is its __________________.

 

A) instantaneous velocity B) linear velocity
C) average speed D) acceleration
 
Answer & Explanation Answer: C) average speed

Explanation:
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Q:

What goes in the water black and comes out red

Answer

A Lobster is one which goes black in water and comes out red.


lobster1585556605.jpg image

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