Science Chemistry MCQ-185

General Science-Chemistry MCQ test for NDA, UPSC, SSC, UPPSC, RBI, CivilsPrelims, CDS, JPSC Exams



Cadmium is almost found in the ore of

 
 
 
 

Which of the following is obtained when cadmium chloride is treated with water ?

 
 
 
 

Which of the following is formed when cadmium reacts with H2S ?

 
 
 
 

Which of the following compounds is used as a yellow pigment in making oil and water colours ?

 
 
 
 

Which of the following is used in atomic reactors ?

 
 
 
 

Cinnabar is an ore of

 
 
 
 

Which of the following is corrosive sublimate ?

 
 
 
 

In Nessler’s reagent, the ion present is

 
 
 
 

Mercury is transported in metal containers made of

 
 
 
 

Mercuric iodide dissolves in excess of KI and forms

 
 
 
 

Which of the following is produced when concentrated cinnabar is roasted in the excess of air ?

 
 
 
 

A metal gives two chlorides A and B. A give black ppt with NH3 and B gives white. With KI, B gives a yellow ppt, which is soluble in excess of KI. A and B are respectively

 
 
 
 

Merscuric sulphide dissolves in aquaregia to form

 
 
 
 

Which of the following acts as an antidote to HgCl2 poisoning ?

 
 
 
 

Misch metal is widely used in the manufacture of which of the following ?

 
 
 
 

Match the List-I with List-II and select the correct answer using the codes given below the Lists

 
 
 
 

Why are stainless steel cooking pans fabricated with copper bottom ?

 
 
 
 

Which is the used in storage batteries

 
 
 
 

Consider the following elements

 
 
 
 

Which one of the following is known as salt peter ?

 
 
 
 

Match the List-I (compound) with the List-II (chemical name) and select the correct answer using the codes given below the Lists

 
 
 
 

The outer electronic configuration of copper is

 
 
 
 

The second series of transition elements starts with

 
 
 
 

Which of the following does not belong to 3d series of transition elements ?

 
 
 
 

Which of the following transition elements is synthetic ?