Questions

Q:

Improve the bracketed part of the sentence.

 

A beautiful landscape, full of green vegetation, will not just attract our attention but (fill us) with infinite satisfaction.

A) will fill us B) filled us
C) fill them D) No improvement
 
Answer & Explanation Answer: A) will fill us

Explanation:
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Q:

Which compound is a nonelectrolyte?

A) C2H6O B) HCl
C) Na2CO3 D) NaCl
 
Answer & Explanation Answer: A) C2H6O

Explanation:

C2H6O is a Non-electrolyte.

 

An electrolyte is a compound that conducts an electric current when it is in an aqueous solution or melted. In order to conduct a current, a substance must contain mobile ions that can move from one electrode to the other. All ionic compounds are electrolytes. When ionic compounds dissolve, they break apart into ions which are then able to conduct a current ( conductivity ). Even insoluble ionic compounds such as CaCO 3 are electrolytes because they can conduct a current in the molten (melted) state.

 

A nonelectrolyte is a compound that does not conduct an electric current in either aqueous solution or in the molten state. Many molecular compounds, such as sugar or ethanol, are nonelectrolytes. When these compounds dissolve in water, they do not produce ions.

 

Electrolytes are of 3 types ---- Strong Electrolytes, Weak Electrolytes and Non Electrolytes.

 

Strong Electrolytes ---- Compounds which completely dissolves. ( NaCl, Na2Co3, HCl )

Weak Electrolytes ----- Compounds which do not completely dissolves.

Non Electrolytes ------ Compounds which do not dissolves at all.

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Q:

Rearrange the parts of the sentence in correct order.

The first clue

P - ­to the nature of this agenda
Q­ - lies in the origin of
R­ - the smart city idea itself

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

Explanation:
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Q:

The world's largest biofuel plant with production capacity of 110 million liters of fuel annually has been set up in 

A) China B) India
C) Brazil D) USA
 
Answer & Explanation Answer: C) Brazil

Explanation:
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Q:

A man jumping out of a moving train is thrown 

A) forward B) backward
C) sidewaqys D) None of these
 
Answer & Explanation Answer: A) forward

Explanation:

At the time of jumping out he has the same velocity as the moving train

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Q:

Which planet was named after the Roman God Zeus

A) Mars B) Earth
C) Venus D) Jupiter
 
Answer & Explanation Answer: D) Jupiter

Explanation:
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Q:

Improve the bracketed part of the sentence.

 

(Her all) answers were incorrect.

 

A) All of her B) Her every answer
C) All in her D) no improvement
 
Answer & Explanation Answer: A) All of her

Explanation:
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Q:

Li3PO4 compound name?

A) Lithium perchlorate B) Lithium phyrite
C) Lithium phosphate D) None
 
Answer & Explanation Answer: C) Lithium phosphate

Explanation:

The given compund Li3PO4 name is Lithium phosphate.

 

Lithium phosphate is a white crystal at room temperature. It is slightly soluble in water.

It  can be used to produce glass, disk, colorful phosphor powder. It can also be used as a catalyst in some reactions.

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