Chemical Industries

In electrolytic refining of copper, _______ is used as anode.

 
 
 
 

Chemical formula of slaked lime is

 
 
 
 

The process of separating components of a mixture based on their boiling points is called:

 
 
 
 

Calcination is the process in which sodium hydrogen carbonate is heated to get sodium carbonate. Which is not obtained in this process?

 
 
 
 

The naturally occurring metallic compounds are called as

 
 
 
 

Which of the following is not an example of a non-metal?

 
 
 
 

What happens when ammonium carbamate is distilled with steam?

 
 
 
 

Which of the following is the primary component of natural gas?

 
 
 
 

The separation of minerals from gangue is called concentration. Which of the following methods is used for concentration?

 
 
 
 

The compound that is commonly known as quicklime is:

 
 
 
 

Which of the following is not a raw material for the manufacture of soda ash?

 
 
 
 

Which of the following is an example of an acid used in the laboratory?

 
 
 
 

The process of removing impurities from crude oil is known as:

 
 
 
 

The formula of sodium bicarbonate is:

 
 
 
 

A mixture of Cu₂S and FeS called matte is produced in one of the metallurgical operations in the extraction of copper. The name of this operation is:

 
 
 
 

Percentage of nitrogen in urea is

 
 
 
 

Which of the following is used to test the presence of hydrogen gas?

 
 
 
 

Which of the following metals is commonly used for making electrical wires?

 
 
 
 

Which of the following steps is not used in the extraction process of metals?

 
 
 
 

Question 1 of 19

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  5. ORGANIC CHEMISTRY
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  12. State Le-Chatelier’s principle.
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  15. What happens to the equilibrium position if the concentration of a reactant is increased?
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