Science Chemistry MCQ-210

Science-Chemistry Questions for SSC,UPPSC,CivilsPrelims,JKPSC,CDS,NDA Exams



Which is chemically most active non-metal

 
 
 
 

The total number of lanthanide elements is-r-

 
 
 
 

The general electronic configuration of elements of p-block is represented by

 
 
 
 

The 4f level is successively filled up in

 
 
 
 

In the following four elements, the ionization potential of which one is the highest

 
 
 
 

Metal with maximum density here is

 
 
 
 

Which of the following transition metal is in liquid state?

 
 
 
 

Which of the following has the highest ionization potential?

 
 
 
 

Elements of d-block are called

 
 
 
 

The lightest metal

 
 
 
 

An example of a non-stoichiometric compound is

 
 
 
 

Which element of the following does not exist in liquid state at room temperature ?

 
 
 
 

Which of the following elements is most metallic ?

 
 
 
 

Which one of the following has largest size

 
 
 
 

Which of the following is the smallest cation

 
 
 
 

Which of the following Isoelectronic species has the largest size

 
 
 
 

The sizes of A, A+ and A follow the order

 
 
 
 

Which of the following has zero electron affinity

 
 
 
 

Which has the highest electron affinity

 
 
 
 

Transition metals are often paramagnetic owing to

 
 
 
 

Which block of elements are mostly metals with high B.P., M.P. values

 
 
 
 

Which one of the following sequence of the chemical elements is correct in terms of the descending order of atomic radius

 
 
 
 

The number of mole of solute per litre solution is called

 
 
 
 

The number of mole of solute per kilogram solvent is called

 
 
 
 

Unit of molarity is known as